CVE-2026-73770
HIGH
Published Sep 1, 2026
Description
An authenticated arbitrary file write vulnerability exists in AOS-CX. Successful exploitation could allow an authenticated malicious actor, under specific conditions outside the attacker's control and following a required action by another user, to create or modify arbitrary files and execute arbitrary commands as a privileged user on the underlying operating system.
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CVSS v3.1 Score
7.3
HIGH
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
EPSS — Exploit Prediction
0.0024
Probability of exploitation
0.13%
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.
References
Frequently Asked Questions
What is CVE-2026-73770? +
An authenticated arbitrary file write vulnerability exists in AOS-CX. Successful exploitation could allow an authenticated malicious actor, under specific conditions outside the attacker's control and following a required action by another user, to create or modify arbitrary files and execute arbitrary commands as a privileged user on the underlying operating system. It has a CVSS v3.1 base score of 7.3 (HIGH).
How severe is CVE-2026-73770? +
CVE-2026-73770 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0024, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-73770? +
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.
