CVE-2025-13946
MEDIUMCVSS 5.5/10EPSS 0.12%
Last modified
CVE-2025-13946 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
Description
MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 4.4.0, < 4.4.12 |
| Wireshark | Wireshark | >= 4.6.0, < 4.6.2 |
References
- https://gitlab.com/wireshark/wireshark/-/issues/20884Exploit, Issue Tracking, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2025-08.htmlIssue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-13946?
MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service
How severe is CVE-2025-13946?
CVE-2025-13946 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2025-13946?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- 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.
Related CVEs from 2025
- CVE-2025-1394The Ember ZNet stack’s packet buffer manager may read out of…5.9
- CVE-2025-13940An Expected Behavior Violation [CWE-440] vulnerability in Wa…5.5
- CVE-2025-13941A local privilege escalation vulnerability exists in the Fox…8.8
- CVE-2025-13942A command injection vulnerability in the UPnP function of th…9.8
- CVE-2025-13943A post-authentication command injection vulnerability in the…8.8
- CVE-2025-13945HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows de…5.5
- CVE-2025-13947A flaw was found in WebKitGTK. This vulnerability allows rem…7.4
- CVE-2025-13948A vulnerability was determined in opsre go-ldap-admin up to …5.6
- CVE-2025-13949A vulnerability was identified in ProudMuBai GoFilm 1.0.0/1.…6.3
- CVE-2025-1395Generation of Error Message Containing Sensitive Information…8.2
- CVE-2025-13950The OneSignal – Web Push Notifications plugin for WordPress …5.3
- CVE-2025-13952A web page that contains unusual GPU shader code is loaded f…9.8
Are you affected by CVE-2025-13946?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST