CVE-2023-51956: n/a
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | Affected
| Fixed in– |
AI-suggested
Given the lack of an official patch, European organizations should immediately identify and isolate all Tenda AX1803 routers running firmware version 1.0.0.1. Network administrators should restrict remote management access to these devices by disabling WAN-side administration and limiting management interfaces to trusted internal networks. Implementing strict firewall rules to block unsolicited inbound traffic targeting router management ports can reduce exposure. Monitoring network traffic for unusual patterns or signs of exploitation attempts is critical. Organizations should consider replacing vulnerable devices with models from vendors that provide timely security updates. If replacement is not immediately feasible, applying network segmentation to isolate affected routers from critical assets can limit potential damage. Additionally, educating users about the risks and encouraging firmware updates when available will be essential. Finally, reporting any suspicious activity related to this vulnerability to national cybersecurity authorities can aid in broader threat intelligence sharing.
Description
Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formSetIptv