CVE-2022-45647: tendacn ac6_firmware Classic Buffer Overflow
CVSS: 7.5v3.1HighModified
Published 02-12-2022Last modified 24-04-2025
Vulnerability summary
CVE-2022-45647 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in tendacn ac6_firmware. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.85%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 02-12-2022PublishedVulnerability first disclosed.
- 24-04-2025Last modifiedVulnerability information updated.
Description
Tenda AC6V1.0 V15.03.05.19 was discovered to contain a buffer overflow via the limitSpeed parameter in the formSetClientState function.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.85%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
+0.03 pp
From 0.82% on 22-09-2026
22-09-202622-10-2026
EPSS score0.85%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve Vulns
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tendacn1 product
- ac6_firmware15.03.05.19
1 vendor · 1 product