Quick answers
- Is CVE-2026-108895 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-108895 being exploited in the wild.
- How severe is CVE-2026-108895?
- Critical severity, with a CVSS score of 9.9, published 12 October 2026.
- Which products and versions are affected?
- Linksys E1700 1.0.0.4.003.
- Is there a fix for CVE-2026-108895?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-108895 attacked?
- It is attacked over the network, in device firmware.
- Am I affected by CVE-2026-108895?
- Check whether you run Linksys E1700 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The setDMZ function in /goform/setDMZ fails to validate the MAC_addr parameter before passing it to nvram_bufset and subsequently to the sysctl binary, allowing OS command injection. The vulnerability is remotely exploitable via a crafted HTTP POST request and requires no authentication. An attacker gains arbitrary command execution with the privileges of the router process.
Affected products
- Linksys E1700 1.0.0.4.003
Timeline
- 2026-10-12: disclosed
- exploited: exploit code publicly available