SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-10803

A vulnerability has been found in Tenda AC23 up to 16.03.07.52.

HIGH 7.4EPSS 0.80%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

CVSS 4.0
7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.80% probability · 54th percentile
CISA KEV
Not listed
Weakness
CWE-119, CWE-120
Affected
tenda/ac23 firmware
Source
cna@vuldb.com

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