PT-2022-17094 · Totolink Technology · Totolink T6 V3+1

Published 2022-02-18 · Updated 2022-02-28 · CVE-2022-25137

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 TOTOLINK Technology T6 V3 Firmware version T6 V3 V4.1.5cu.748 B20211015 TOTOLINK Technology T10 V2 Firmware version V4.1.8cu.5207 B20210320

Description A command injection issue in the recvSlaveUpgstatus function of TOTOLINK Technology routers allows attackers to execute arbitrary commands via a crafted MQTT packet.

Recommendations For TOTOLINK Technology T6 V3 Firmware version T6 V3 V4.1.5cu.748 B20211015, consider disabling the recvSlaveUpgstatus function until a patch is available. For TOTOLINK Technology T10 V2 Firmware version V4.1.8cu.5207 B20210320, consider disabling the recvSlaveUpgstatus function until a patch is available. As a temporary workaround, restrict access to the MQTT packet handling mechanism to minimize the risk of exploitation.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2022-25137

Affected Products

Totolink T10 V2

Totolink T6 V3

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2022-25137 · Security Note
• https://osv.dev/vulnerability/CVE-2022-25137 · Vendor Advisory
• https://t.me/cvenotify/27036 · Telegram Post
• https://t.me/cibsecurity/37811 · Telegram Post
• ❌ https://github.com/pjqwudi1/my_vuln/blob/main/totolink/vuln_15/15.md · Note, Deleted
• https://exchange.xforce.ibmcloud.com/vulnerabilities/220077 · Note