# CVE-2026-118865: Authenticated OS Command Injection in Archer AX3000 v2 Offline Download Component

Status: published. Published: 2026-11-03. Updated: 2026-11-05.

An authenticated OS command injection vulnerability exists in the Offline Download component (USB storage allocation) of Archer AX3000 v2. When a USB storage device is attached, an authenticated administrator can submit a crafted path value containing shell metacharacters that is not properly neutralized before being passed to a system command. 

Successful exploitation may allow arbitrary command execution on the affected device.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: TPLink) — https://www.tp-link.com/us/support/download/archer-ax3000/v2.60/#Firmware

## Affected products and versions

- TP-Link Systems Inc. / Archer AX3000 v2: ≥ 0; < 1.1.3 Build 261026 (affected, custom). Source: CNA: TPLink; platforms: Linux

## Severity and prioritization

- CVSS 4.0: 7.3 (high); CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N; source: CNA: TPLink

- CVSS 4.0: 7.3 (high); CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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: f23511db-6c3e-4e32-a477-6aa17d310630

- CISA KEV: No listing in collected sources

- EPSS: 0.88% as of 2026-11-04; percentile 59.24%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-78

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.tp-link.com/us/support/download/archer-ax3000/v2.60/#Firmware (CNA: TPLink; patch)

- https://www.tp-link.com/us/support/faq/5380/ (CNA: TPLink; vendor-advisory)

- https://www.tp-link.com/us/support/download/archer-ax3000/v2.60/#Firmware (f23511db-6c3e-4e32-a477-6aa17d310630)

- https://www.tp-link.com/us/support/faq/5380/ (f23511db-6c3e-4e32-a477-6aa17d310630)

## Provenance

- CNA: TPLink: https://www.cve.org/CVERecord?id=CVE-2026-118865; retrieved 2026-11-05; source updated 2026-11-05

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-118865; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-118865; retrieved 2026-11-04; source updated Not reported

Revision: 1ce22d97b64bb6f13b2251a0901ef54db937b2639edcdb3c166eb4967da01c45

Canonical: https://y2.dev/cve/CVE-2026-118865

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