CVE detail
CVE-2026-6985
A weakness has been identified in Cesanta Mongoose up to 7.20. This vulnerability affects the function handle_opt of the file /src/net_builtin.c of the component TCP Option Handler. This manipulation of the argument optlen causes infinite loop. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 7.21 is able to resolve this issue. Upgrading the affected component is advised. VulDB has contacted the vendor early and they confirmed quickly, that this issue got fixed already.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 4.5
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- https://vuldb.com/vuln/359528/ctivuldb.com
No excerpt available.
Exploitvuldb.comApr 25, 2026, 5:16 PM - https://vuldb.com/vuln/359528vuldb.com
No excerpt available.
Exploitvuldb.comApr 25, 2026, 5:16 PM - https://vuldb.com/submit/796230vuldb.com
No excerpt available.
Exploitvuldb.comApr 25, 2026, 5:16 PM No excerpt available.
Exploitgithub.comApr 25, 2026, 5:16 PMNo excerpt available.
Exploitgithub.comApr 25, 2026, 5:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
1 repository references · best confidence 0.90 · max 0 stars
- dwBruijn/CVEsHigh confidencegithubNVD Exploit reference0 starsDiscovered Jul 20, 2026, 6:21 AM
NVD labels the source link as Exploit; this is not independent verification of the repository's code.
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