CVE-2021-26731
Last modified
CVE-2021-26731 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow an authenticated attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.. EPSS estimates a 2.31% chance of exploitation in the next 30 days.
Description
Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow an authenticated attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lannerinc | Iac-Ast2500a Firmware | 1.10.0 |
References
- https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26731/Third Party Advisory
- https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26731/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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