CVE-2026-88709

Published Nov 10, 2026 Modified Nov 10, 2026 CWE-78

Description

Improper neutralization of special elements used in an OS command in certain ASUS Router firmware allows an user with physical access to insert a USB device containing a specially crafted directory name, potentially executing arbitrary commands with root privileges. Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.

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EPSS — Exploit Prediction

0.0036
Probability of exploitation
0.31%
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-78 OS Command Injection

References

Frequently Asked Questions

What is CVE-2026-88709? +
Improper neutralization of special elements used in an OS command in certain ASUS Router firmware allows an user with physical access to insert a USB device containing a specially crafted directory name, potentially executing arbitrary commands with root privileges. Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.
How do I check if I'm vulnerable to CVE-2026-88709? +
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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