PT-2022-12489 · Tenda · Tenda Routers G3+1

Published 2022-02-04 · Updated 2022-02-08 · CVE-2021-45990

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda routers G1 and G3 version 15.11.0.17(9502) CN

Description A command injection issue was found in the function uploadPicture(), allowing attackers to execute arbitrary commands via the pic name parameter.

Recommendations For Tenda routers G1 and G3 version 15.11.0.17(9502) CN, as a temporary workaround, consider disabling the uploadPicture() function until a patch is available. Avoid using the pic name parameter in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2021-45990

Affected Products

Tenda Routers G1

Tenda Routers G3

References · 6

• https://osv.dev/vulnerability/CVE-2021-45990 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45990 · Security Note
• ❌ https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_1/1.md · Note, Deleted
• https://t.me/cvenotify/26226 · Telegram Post
• https://t.me/cvenotify/26442 · Telegram Post
• https://tenable.com/cve/CVE-2021-45990 · Note