CVE-2025-12207

A vulnerability has been found in Kamailio 5.5. This affects the function yyerror_at of the file src/core/cfg.y of the component Grammar Rule Handler. Such manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The actual existence of this vulnerability is currently in question. This attack requires manipulating config files which might not be a realistic scenario in many cases. The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-404
• CWE-476
• CWE-476

• https://shimo.im/docs/vVqRMVMlrycMO63y/Exploit, Third Party Advisory
• https://vuldb.com/?ctiid.329877Permissions Required, VDB Entry
• https://vuldb.com/?id.329877Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.673241Third Party Advisory, VDB Entry
• https://www.openwall.com/lists/oss-security/2025/11/02/3
• http://www.openwall.com/lists/oss-security/2025/10/27/12
• http://www.openwall.com/lists/oss-security/2025/10/27/8
• https://www.openwall.com/lists/oss-security/2025/10/27/8Issue Tracking, Mailing List
• https://shimo.im/docs/vVqRMVMlrycMO63yExploit, Third Party Advisory

Published

Oct 27, 2025

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2025-12201A vulnerability was identified in ajayrandhawa User-Manageme…7.2
• CVE-2025-12202A security flaw has been discovered in ajayrandhawa User-Man…4.3
• CVE-2025-12203A weakness has been identified in givanz Vvveb up to 1.0.7.3…4.9
• CVE-2025-12204A security vulnerability has been detected in Kamailio 5.5. …7.8
• CVE-2025-12205A vulnerability was detected in Kamailio 5.5. The affected e…7.8
• CVE-2025-12206A flaw has been found in Kamailio 5.5. The impacted element …5.5
• CVE-2025-12208A vulnerability was found in SourceCodester Best House Renta…9.8
• CVE-2025-12209A vulnerability was determined in Tenda O3 1.0.0.10(2478). A…8.8
• CVE-2025-1221A Zigbee Radio Co-Processor (RCP), which is using SiLabs Emb…5.9
• CVE-2025-12210A vulnerability was identified in Tenda O3 1.0.0.10(2478). A…9.8
• CVE-2025-12211A security flaw has been discovered in Tenda O3 1.0.0.10(247…9.8
• CVE-2025-12212A weakness has been identified in Tenda O3 1.0.0.10(2478). T…8.8