PT-2022-12485 · Tenda · Tenda Routers G3+1

Published 2022-02-04 · Updated 2022-07-12 · CVE-2021-45986

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 discovered in the function formSetUSBShareInfo, allowing attackers to execute arbitrary commands via the usbOrdinaryUserName parameter.

Recommendations For Tenda routers G1 and G3 version 15.11.0.17(9502) CN, as a temporary workaround, consider restricting access to the formSetUSBShareInfo function and avoid using the usbOrdinaryUserName parameter until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-45986

Affected Products

Tenda Routers G1

Tenda Routers G3

References · 5

• https://osv.dev/vulnerability/CVE-2021-45986 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45986 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/218962 · Note
• ❌ https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_2/2.md · Note, Deleted
• https://t.me/cibsecurity/36834 · Telegram Post