CVE-2026-77022CWE-119CWE-121

CVE-2026-77022

Critical · published August 20, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
55.8
In the wild
Unconfirmed
What it is

A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function sub_44B438 of the file /cgi-bin/mbox-config?method=SET&section=ptest_ssid of the component SSID Configuration. The manipulation of the argument ssid results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
EPSS
0.00792 · 55.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-08-20T21:19Z
References (5)
https://github.com/AdminSafe/CVE/issues/5 · [email protected]https://vuldb.com/cve/CVE-2026-77022 · [email protected]https://vuldb.com/submit/880599 · [email protected]https://vuldb.com/vuln/393637 · [email protected]https://vuldb.com/vuln/393637/cti · [email protected]
EPSS history
Timeline
  • 20 AUG 16:45Z
    Comfast CF-N1-S SSID Configuration mbox-config sub_44B438 stack-based overflow
    cvelistv5