CVE-2025-10803

Tenda AC23 HTTP POST Request SetPptpServerCfg sscanf buffer overflow

HIGH
8.8
CVSS Score
Published: September 22, 2025 at 03:02 PM UTC
Updated: June 17, 2026 at 08:29 AM UTC
2 products affected across 1 vendorAC23 FirmwareAC23

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

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.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.325161
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.325161
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.654237
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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