🛡️ CVE-2026-38834 — w30e-firmware

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2026-38834 is classified as CWE-77: Command Injection. User input is placed into a command that the system interprets, allowing extra commands to be appended to the intended one.

Affected software

CVE-2026-38834 is recorded against 1 package.

• w30e-firmware

Timeline and source

Published on 21 April 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com

Other advisories for this package

w30e-firmware has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-38835 (9.8 Critical, published 21 Apr 2026)
• CVE-2026-24429 (9.8 Critical, published 26 Jan 2026)
• CVE-2026-24436 (9.8 Critical, published 26 Jan 2026)
• CVE-2026-24428 (8.8 High, published 26 Jan 2026)
• CVE-2026-24435 (6.5 Medium, published 26 Jan 2026)
• CVE-2026-24433 (5.4 Medium, published 26 Jan 2026)
• CVE-2026-24432 (4.3 Medium, published 26 Jan 2026)
• CVE-2026-24440 (8.8 High, published 26 Jan 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-77: Command Injection) in other software:

• CVE-2025-29296 (9.8 Critical, published 4 Aug 2026)
• CVE-2024-58354 (9.9 Critical, published 23 Jul 2026)
• CVE-2014-6633 (8.0 High, published 9 Jul 2026)
• CVE-2022-42906 (8.0 High, published 7 Jul 2026)
• CVE-2024-4078 (9.8 Critical, published 7 Jul 2026)
• CVE-2024-0817 (8.0 High, published 7 Jul 2026)
• CVE-2025-22237 (6.7 Medium, published 7 Jul 2026)
• CVE-2023-1000 (6.3 Medium, published 7 Jul 2026)

Details

Affected Packages

References