CVE-2025-10803

Name: CVE-2025-10803
Creator: NVD / NIST
Published: 2025-09-22T15:15:39.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2025-10803 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.4/10

CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.74%

49.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac23 Firmware	<= 16.03.07.52

References

https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC23-3/Tenda%20AC23%20Buffer%20overflow.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.325161Permissions Required, VDB Entry
https://vuldb.com/?id.325161Third Party Advisory, VDB Entry
https://vuldb.com/?submit.654237Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Sep 22, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-10803?

How severe is CVE-2025-10803?

CVE-2025-10803 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2025-10803?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-10803?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST