CVE-2023-51101: tenda w9_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 26-12-2023Last modified 23-04-2025
Vulnerability summary
CVE-2023-51101 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda w9_firmware. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.70%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 26-12-2023PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formSetUplinkInfo.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.70% on 21-09-2026
21-09-202621-10-2026
EPSS score0.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundTenda
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- w9_firmware1.0.0.7\(4456\)_cn
1 vendor · 1 product