9.8

CVE-2025-9299: tenda m3_firmware

CVSS: 9.8v3.1CriticalAnalyzed
Published 21-08-2025Last modified 21-08-2025

Vulnerability summary

CVE-2025-9299 is a critical (CVSS 9.8) vulnerability in tenda m3_firmware. EPSS estimates a 5.49% chance of exploitation in the next 30 days, higher than 92.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
5.49%
0%100%
Low · +0.61 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 21-08-2025
    PublishedVulnerability first disclosed.
  2. 21-08-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability has been found in Tenda M3 1.0.0.12. Affected by this vulnerability is the function formGetMasterPassengerAnalyseData of the file /goform/getMasterPassengerAnalyseData. The manipulation of the argument Time leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

5.49%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

+0.61 pp

From 4.88% on 21-09-2026

21-09-202621-10-2026
EPSS score
5.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Iot Vuls

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tenda1 product

1 vendor · 1 product

References

6 links