CVE-2023-51955: tenda ax1803_firmware Out-of-bounds Write
Modified
Published 10-01-2024Last modified 06-06-2025
Vulnerability summary
CVE-2023-51955 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ax1803_firmware. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 39.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.46%
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.
- 06-06-2025Last modifiedVulnerability information updated.
Description
Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function formSetIptv.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.5–9.8
- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.46% 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 cause- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
Affected 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-formSetIptv-d758f5dba8f646afaf5cddc6f8d3ec70ExploitThird Party Advisory