Critical severity9.8NVD Advisory· Published Feb 19, 2022· Updated Jun 17, 2026

CVE-2022-25136

Description

A command injection vulnerability in the function meshSlaveUpdate of TOTOLINK Technology routers T6 V3_Firmware T6_V3_V4.1.5cu.748_B20211015 and T10 V2_Firmware V4.1.8cu.5207_B20210320 allows attackers to execute arbitrary commands via a crafted MQTT packet.

Affected products

Totolink/T10 Firmware
cpe:2.3:o:totolink:t10_firmware:v4.1.8cu.5207_b20210320:*:*:*:*:*:*:*
Totolink/T6 Firmware
cpe:2.3:o:totolink:t6_firmware:v4.1.5cu.748_b20211015:*:*:*:*:*:*:*
TOTOLINK Technology/T6/T10 routersdescription
TOTOLINK Technology/T6llm-create
Range: V3_Firmware T6_V3_V4.1.5cu.748_B20211015
TOTOLINK Technology/T10llm-create
Range: V2_Firmware V4.1.8cu.5207_B20210320
TOTOLINK Technology/TOTOLINK routersllm-create
Range: T6 V3_Firmware T6_V3_V4.1.5cu.748_B20211015, T10 V2_Firmware V4.1.8cu.5207_B20210320

Patches

Vulnerability mechanics

References

exchange.xforce.ibmcloud.com/vulnerabilities/CVE-2022-25136nvdThird Party AdvisoryVDB Entry
github.com/pjqwudi1/my_vuln/blob/main/totolink/vuln_17/17.mdnvdBroken LinkThird Party Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000