RCE in Totolink N600r

CVE-2022-26187

TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the pingCheck function.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.196 (97.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink N600r
Totolink N600r_firmware — versions 4.3.0cu.7570_b20200620
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-26187?: CVE-2022-26187 is a critical-severity vulnerability in Totolink N600r, classified under Command Injection. CVSS score: 9.8/10. Published 2022-03-22.
How severe is CVE-2022-26187?: Critical severity. CVSS v3 base score is 9.8 out of 10.