Description

A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This affects the function getpeer of the file /src/net_builtin.c of the component TCP Sequence Number Handler. The manipulation leads to improper verification of source of a communication channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is reported as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

INFO

Published Date :

2026-02-23T02:32:07.568Z

Last Modified :

2026-02-23T13:32:57.830Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2967 vulnerability.

Vendors Products
Cesanta
  • Mongoose
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2967.

URL Resource
https://github.com/dwBruijn/CVEs/blob/main/Mongoose/tcp_rst.md cve-icon cve-icon
https://github.com/dwBruijn/CVEs/blob/main/Mongoose/tcp_rst.md#poc cve-icon cve-icon
https://vuldb.com/?ctiid.347334 cve-icon cve-icon
https://vuldb.com/?id.347334 cve-icon cve-icon
https://vuldb.com/?submit.755450 cve-icon cve-icon
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