{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-30874", "tracking": { "current_release_date": "2026-03-24T17:12:52.879778Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-30874", "initial_release_date": "2026-03-20T18:20:50.616967Z", "revision_history": [ { "date": "2026-03-20T18:20:50.616967Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-20T18:20:53.643272Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-20T18:21:21.178757Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-20T18:21:23.076193Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-20T18:23:05.584615Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-20T18:23:12.617785Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-20T18:39:31.490149Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-03-20T22:03:05.728417Z", "number": "8", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-24T17:12:36.758349Z", "number": "9", "summary": "CVSS created.| Products connected (1).| Product Identifiers created (1)." }, { "date": "2026-03-24T17:12:43.708311Z", "number": "10", "summary": "NCSC Score updated." } ], "status": "interim", "version": "10" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<24.10.6", "product": { "name": "vers:unknown/<24.10.6", "product_id": "CSAFPID-5873998", "product_identification_helper": { "cpe": "cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "openwrt" } ], "category": "vendor", "name": "OpenWrt" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-30874", "cwe": { "id": "CWE-187", "name": "Partial String Comparison" }, "notes": [ { "category": "description", "text": "OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6, a vulnerability in the hotplug_call function allows an attacker to bypass environment variable filtering and inject an arbitrary PATH variable, potentially leading to privilege escalation. The function is intended to filter out sensitive environment variables like PATH when executing hotplug scripts in /etc/hotplug.d, but a bug using strcmp instead of strncmp causes the filter to compare the full environment string (e.g., PATH=/some/value) against the literal \"PATH\", so the match always fails. As a result, the PATH variable is never excluded, enabling an attacker to control which binaries are executed by procd-invoked scripts running with elevated privileges. This issue has been fixed in version 24.10.6.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30874" }, { "category": "description", "text": "OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6, a vulnerability in the hotplug_call function allows an attacker to bypass environment variable filtering and inject an arbitrary PATH variable, potentially leading to privilege escalation. The function is intended to filter out sensitive environment variables like PATH when executing hotplug scripts in /etc/hotplug.d, but a bug using strcmp instead of strncmp causes the filter to compare the full environment string (e.g., PATH=/some/value) against the literal \"PATH\", so the match always fails. As a result, the PATH variable is never excluded, enabling an attacker to control which binaries are executed by procd-invoked scripts running with elevated privileges. This issue has been fixed in version 24.10.6.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/30xxx/CVE-2026-30874.json" }, { "category": "description", "text": "A flaw was found in the `procd` component of OpenWrt. A highly privileged local attacker can bypass environment variable filtering in the `hotplug_call` function by injecting an arbitrary `PATH` variable. This vulnerability, caused by an incorrect string comparison, allows the attacker to control which binaries are executed by `procd`-invoked scripts running with elevated privileges, potentially leading to privilege escalation.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-30874.json" }, { "category": "other", "text": "0.0001", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "title": "CVSSV4" }, { "category": "other", "text": "1.8", "title": "CVSSV4 base score" }, { "category": "other", "text": "5.2", "title": "NCSC Score" }, { "category": "other", "text": "Is related to an uncommon cwe id, There is product data available from source Nvd, There is cvss data available from source Redhat, Is related to CWE-269 (Improper Privilege Management)", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5873998" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30874" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/30xxx/CVE-2026-30874.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-30874.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://github.com/openwrt/openwrt/security/advisories/GHSA-jw28-hxcm-j934" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://github.com/openwrt/procd/commit/e08cdc8562f55b9ac228a21f3f7605a18c522b81" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-30874" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30874" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.2, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-5873998" ] } ], "title": "CVE-2026-30874" } ] }