CVE-2026-120196: Command Injection (CVSS 9.9)

Description

A vulnerability was detected in WAVLINK WN579X3-D V250402. This affects the function port_forward of the file /cgi-bin/wapi.cgi. The manipulation of the argument Name results in os command injection. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

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CVSS v3.1 Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0169

Probability of exploitation

0.77%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

References

Other References

https://github.com/pipiyyb/cve/blob/main/WN579X3-D(en).md https://vuldb.com/cve/CVE-2026-120196 https://vuldb.com/submit/916941 https://vuldb.com/vuln/429559 https://vuldb.com/vuln/429559/cti

Frequently Asked Questions

What is CVE-2026-120196? +

A vulnerability was detected in WAVLINK WN579X3-D V250402. This affects the function port_forward of the file /cgi-bin/wapi.cgi. The manipulation of the argument Name results in os command injection. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-120196? +

CVE-2026-120196 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0169, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-120196? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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