# CVE-2026-120196: WAVLINK WN579X3-D wapi.cgi port_forward os command injection

Status: published. Published: 2026-11-01. Updated: 2026-11-06.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- WAVLINK / WN579X3-D: V250402 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 9.4 (critical); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P; source: CNA: VulDB

- CVSS 3.1: 9.9 (critical); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 3.0: 9.9 (critical); CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 2.0: 9 (critical); AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR; source: CNA: VulDB

- CVSS 4.0: 8.6 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: cna@vuldb.com

- CVSS 3.1: 9.9 (critical); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H; source: NVD: cna@vuldb.com

- CVSS 2.0: 9 (high); AV:N/AC:L/Au:S/C:C/I:C/A:C; source: NVD: cna@vuldb.com

- CISA KEV: No listing in collected sources

- EPSS: 1.69% as of 2026-11-06; percentile 77.12%

- SSVC: exploitation poc; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-78, CWE-77

## Exploit evidence

- exploit: https://github.com/pipiyyb/cve/blob/main/WN579X3-D(en).md (CNA: VulDB)

## References

- https://vuldb.com/vuln/429559 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/429559/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-120196 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/916941 (CNA: VulDB; third-party-advisory)

- https://github.com/pipiyyb/cve/blob/main/WN579X3-D(en).md (CNA: VulDB; exploit)

- https://github.com/pipiyyb/cve/blob/main/WN579X3-D(en).md (cna@vuldb.com)

- https://vuldb.com/cve/CVE-2026-120196 (cna@vuldb.com)

- https://vuldb.com/submit/916941 (cna@vuldb.com)

- https://vuldb.com/vuln/429559 (cna@vuldb.com)

- https://vuldb.com/vuln/429559/cti (cna@vuldb.com)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-120196; retrieved 2026-11-06; source updated 2026-11-06

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-120196; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-120196; retrieved 2026-11-06; source updated Not reported

Revision: a20b210ec940c42b7a6e78c1009199a3430b7c8e07dd5fe33db33c9c31eae7a5

Canonical: https://y2.dev/cve/CVE-2026-120196

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.