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VulnerabilityPublished Updated

CVE-2025-1492: Wireshark · Uncontrolled Recursion

Affects WiresharkSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Feb 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubwireshark/wiresharkpkg:github/wireshark/wiresharkOther threatsAffected
  • =4.4.0
  • =4.2.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate CVE-2025-1492, organizations should immediately upgrade Wireshark to a version where this vulnerability is patched once available. Until patches are released, users should avoid opening untrusted capture files and restrict Wireshark usage to trusted environments. Network segmentation and strict access controls can limit exposure to malicious packet injection. Employing sandboxing or running Wireshark with least privilege can reduce the impact of crashes. Monitoring for abnormal application behavior and crashes can help detect exploitation attempts. Additionally, organizations should educate users about the risks of opening capture files from unverified sources. Security teams should also consider alternative tools or methods for packet analysis if immediate patching is not feasible. Finally, maintaining up-to-date intrusion detection and prevention systems can help identify and block attempts to exploit this vulnerability via crafted packets.

Description

Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial of service via packet injection or crafted capture file

References

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