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Fencer Intel
medium 4.9

CVE-2022-40843 json

The Tenda AC1200 V-W15Ev2 V15.11.0.10(1576) router is vulnerable to improper authorization / improper session management that allows the ro…

published 3y ago modified 4mo ago also EUVD-2022-44101

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
28.8%
EPSS 28.8% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

The Tenda AC1200 V-W15Ev2 V15.11.0.10(1576) router is vulnerable to improper authorization / improper session management that allows the router login page to be bypassed. This leads to authenticated attackers having the ability to read the routers syslog.log file which contains the MD5 password of the Administrator's user account.

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Exploit prediction

28.80% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Tenda AC1200 V-W15Ev2 - Authentication Bypass nuclei detection template
  • boschko.ca https://boschko.ca/tenda_ac1200_router/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.