7.5

CVE-2025-70645: tenda ax1806_firmware Stack-based Buffer Overflow

CVSS: 7.5v3.1HighAnalyzed
Published 21-01-2026Last modified 21-01-2026

Vulnerability summary

CVE-2025-70645 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in tenda ax1806_firmware. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.37%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 21-01-2026
    PublishedVulnerability first disclosed.
  2. 21-01-2026
    Last modifiedVulnerability information updated.

Description

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the deviceList parameter of the formSetWifiMacFilterCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

+0.01 pp

From 0.36% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Vulnbycola

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tenda1 product

1 vendor · 1 product

References

1 links