SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-51380

Buffer Overflow vulnerability in Tenda AC10 v3 (firmware V03.03.16.09) allows attackers to cause a permanent Denial of Service (DoS) or potentially execute remote code via the /cgi-bin/UploadCfg endpoint

CRITICAL 9.8EPSS 0.70%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Buffer Overflow vulnerability in Tenda AC10 v3 (firmware V03.03.16.09) allows attackers to cause a permanent Denial of Service (DoS) or potentially execute remote code via the /cgi-bin/UploadCfg endpoint

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.70% probability · 51th percentile
CISA KEV
Not listed
Weakness
CWE-120
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.