High severity7.5NVD Advisory· Published Aug 4, 2022· Updated Jun 17, 2026
CVE-2022-31793
CVE-2022-31793
Description
do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs because the code skips over the first character when serving files. Arris NVG443, NVG599, NVG589, and NVG510 devices and Arris-derived BGW210 and BGW320 devices are affected.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10- cpe:2.3:o:arris:bgw210_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arris:bgw320_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arris:nvg443_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arris:nvg510_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arris:nvg589_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arris:nvg599_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- derekabdine.com/blog/2022-arris-advisorynvdExploitThird Party Advisory
- inglorion.net/software/muhttpd/nvdThird Party Advisory
- blog.malwarebytes.com/exploits-and-vulnerabilities/2022/08/millions-of-arris-routers-are-vulnerable-to-path-traversal-attacks/nvdThird Party Advisory
- kb.cert.org/vuls/id/495801nvdThird Party AdvisoryUS Government Resource
- www.kb.cert.org/vuls/id/495801nvd
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