Is CVE-2022-40843 in the CISA KEV catalog?

No. CVE-2022-40843 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-40843?

CVE-2022-40843 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2022-40843?

CVE-2022-40843 has an EPSS score of 28.80% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2022-40843

MEDIUMEPSS 98th pctl

4.9

CVSS v3

NVD

Description

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.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

28.80%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

https://boschko.ca/tenda_ac1200_router/

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-07.