CVE-2025-55503

Name: CVE-2025-55503
Creator: NVD / NIST
Published: 2025-08-20T14:15:47.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-55503 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Tenda AC6 V15.03.06.23_multi has a stack overflow vulnerability via the deviceName parameter in the saveParentControlInfo function.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

Tenda AC6 V15.03.06.23_multi has a stack overflow vulnerability via the deviceName parameter in the saveParentControlInfo function.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

0.26%

17.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-121

Affected Software

Vendor	Product	Versions
Tenda	Ac6 Firmware	15.03.06.23_multi

References

https://github.com/SolitaryGrass/IoT_vuln/blob/main/tenda/AC6/AC6V2.0RTL_V15.03.06.23/saveParentControlInfo/poc.mdExploit, Third Party Advisory

Timeline

Published: Aug 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-55503?

Tenda AC6 V15.03.06.23_multi has a stack overflow vulnerability via the deviceName parameter in the saveParentControlInfo function.

How severe is CVE-2025-55503?

CVE-2025-55503 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-55503?

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-2025-55503?

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

Scan your code now

Source: NVD / NIST