CVE-2023-51966: tenda ax1803_firmware Out-of-bounds Write
Modified
Published 10-01-2024Last modified 20-06-2025
Vulnerability summary
CVE-2023-51966 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ax1803_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 listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference
Timeline
- 10-01-2024PublishedVulnerability first disclosed.
- 20-06-2025Last modifiedVulnerability information updated.
Description
Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function setIptvInfo.
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
No change 0.00 pp
From 0.70% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (grove-laser-8ad.notion.site)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ax1803_firmware1.0.0.1
1 vendor · 1 product
References
1 links- grove-laser-8ad.notion.site/Tenda-AX1803-Buffer-Overflow-in-setIptvInfo-944beaf189db4bf49f99a7a7418c7bddExploitThird Party Advisory