CVE-2025-9362
Published: 23 August 2025
Summary
CVE-2025-9362 is a medium-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Linksys Re6250 Firmware. Its CVSS base score is 6.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 33.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.
Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.
Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.
Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Remote stack-based buffer overflow in web management interface (/goform/urlFilterManageRule) enables exploitation of public-facing applications (T1190), remote services (T1210), and application/system exploitation for denial of service (T1499.004).
NVD Description
A flaw has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. The impacted element is the function urlFilterManageRule of the file /goform/urlFilterManageRule. Executing manipulation of the argument urlFilterRuleName/scheduleUrl/addURLFilter can lead to stack-based buffer overflow. The attack…
more
may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Deeper analysisAI
CVE-2025-9362 is a stack-based buffer overflow vulnerability affecting the urlFilterManageRule function in the /goform/urlFilterManageRule component of Linksys Wi-Fi range extenders, specifically models RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000 running firmware versions 1.0.013.001, 1.0.04.001, 1.0.04.002, 1.1.05.003, or 1.2.07.001. The flaw, associated with CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) and CWE-121 (Stack-based Buffer Overflow), arises from manipulating the arguments urlFilterRuleName, scheduleUrl, or addURLFilter. It carries a CVSS v3.1 base score of 6.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L) and was published on 2025-08-23.
The vulnerability can be exploited remotely over the network with low complexity and low privileges required, such as an authenticated user with limited access. No user interaction is needed, and exploitation leads to low-level impacts on confidentiality, integrity, and availability, potentially allowing partial data exposure, modification, or denial of service through the buffer overflow.
Advisories from VulDB (ctiid.321065, id.321065, submit.631534) and a GitHub repository detail the issue but note that the vendor, Linksys, was contacted early without response, indicating no official patches or mitigations are available as of disclosure. The Linksys support site provides no specific guidance on this CVE.
Details
- CWE(s)