CVE-2022-40843

MEDIUMNuclei

Tenda w15e_firmware Exposure of Sensitive Information to an Unauthorized Actor

Title source: VulnCheck
STIX 2.1 vulnerability

Record summary

CVE-2022-40843 has a selected CVSS score of 4.9 (medium); EIP currently links 1 Nuclei template.

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.

Description source: CVE List

Exploitation context

Known exploitation

VulnCheck KEV
Listed · Jun 5, 2025 · VulnCheck
Reported exploitation
Observed · VulnCheck

Available material

Nuclei templates
1

Affected products and versions

1
ProductSourceVersion range

w15e_firmware

Browse Tenda / w15e_firmware
VulnCheckVersion data not supplied

Nuclei templates

1
ProjectDiscoveryMEDIUMTenda AC1200 V-W15Ev2 - Authentication BypassCVSS 4.9

The Tenda AC1200 V-W15Ev2 router is affected by improper authorization/improper session management. The software does not perform or incorrectly perform an authorization check when a user attempts to access a resource or perform an action. This allows the router's login page to be bypassed. The improper validation of user sessions/authorization can lead to unauthenticated attackers having the ability to read the router's file, which contains the MD5 password of the Administrator's user account. This vulnerability exists within the local web and hosted remote management console.

Impact

Successful exploitation of this vulnerability can lead to unauthorized configuration changes, network compromise, and potential access to sensitive information.

Remediation

Apply the latest firmware update provided by the vendor to fix the authentication bypass vulnerability.

WeaknessesCWE-287
Authorsgy741
Template tagscve2022cvetendaauth-bypassrouteriotvkevvuln
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CPE: cpe:2.3:h:tenda:ac1200_v-w15ev2:-:*:*:*:*:*:*:*
https://boschko.ca/tenda_ac1200_router https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40843

Source: ProjectDiscovery

References

2