CVE-2022-45651: tendacn ac6_firmware Classic Buffer Overflow

Modified

Published 02-12-2022Last modified 24-04-2025

Vulnerability summary

CVE-2022-45651 is a critical (CVSS 9.1) Classic Buffer Overflow vulnerability in tendacn ac6_firmware. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk

70/100

0100

High · default modelHow is this calculated?

CVSS score

9.1/10

010

Critical · v3.1 (CVE.org)

EPSS score

0.86%

0%100%

Low · +0.03 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits1github

Timeline

02-12-2022
PublishedVulnerability first disclosed.
24-04-2025
Last modifiedVulnerability information updated.

Description

Tenda AC6V1.0 V15.03.05.19 was discovered to contain a buffer overflow via the list parameter in the formSetVirtualSer function.

CVSS metrics

2 scores · 2 sources · 1 version

v3.19.1

EPSS trend

Probability

0.86%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 0.83% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found

githubUnverified
Cve Vulns
Maturity: poc

Weaknesses

CWE · root cause

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected systems

Tendacn1 product

ac6_firmware15.03.05.19

1 vendor · 1 product

References

1 links

github.com/Double-q1015/CVE-vulns/blob/main/tenda_ac6/formSetVirtualSer/formSetVirtualSer.mdExploitThird Party Advisory