7.3

CVE-2025-55503: tenda ac6_firmware Stack-based Buffer Overflow

CVSS: 7.3v3.1HighAnalyzed
Published 20-08-2025Last modified 20-08-2025

Vulnerability summary

CVE-2025-55503 is a high (CVSS 7.3) Stack-based Buffer Overflow vulnerability in tenda ac6_firmware. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 20-08-2025
    PublishedVulnerability first disclosed.
  2. 20-08-2025
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Iot Vuln

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tenda1 product

1 vendor · 1 product

References

1 links