Authenticated code execution via unchecked access-control fields
Published Aug 23, 2025 · Updated Aug 25, 2025
Stack-based buffer overflow in six Linksys RE-series extenders allows remote authenticated users to corrupt memory via crafted rule fields. The accessControlAdd handler in mod_form.so copies attacker-controlled ruleName and schedule values into a fixed-size stack variable without length checks, overwriting the return address. A valid session cookie is required; oversized input demonstrably crashes the device persistently, and control of the return address enables arbitrary code execution.
Summary
What happened
Stack-based buffer overflow in six Linksys RE-series extenders allows remote authenticated users to corrupt memory via crafted rule fields. The accessControlAdd handler in mod_form.so copies attacker-controlled ruleName and schedule values into a fixed-size stack variable without length checks, overwriting the return address. A valid session cookie is required; oversized input demonstrably crashes the device persistently, and control of the return address enables arbitrary code execution.
The record
- CVE
- CVE-2025-9360
- Published
- Aug 23, 2025
- Updated
- Aug 25, 2025
- Vendor
- Linksys
- Product
- RE6250
- Classifications
- CWE-121, CWE-119, T1210
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 23, 2025CVE publishedPublication date reported by the CVE source.
- Aug 25, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0.013.001
- Affected versionversion=1.0.04.001
- Affected versionversion=1.0.04.002
- Affected versionversion=1.1.05.003
- Affected versionversion=1.2.07.001
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- accessControlAdd oversized ruleName proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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