CVE-2026-110655: low-severity vulnerability in miniupnpc
miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseatt
Published
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 2.3epss 0.3%
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseatt function that allows malicious UPnP gateways to read past buffer bounds via crafted replies. Attackers on the local network can spoof a gateway serving device descriptions or SOAP responses ending in '=' to crash the client.
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Affected products
miniupnp project · miniupnpcpublic PoCs found — 1
cve_referencehackmd.io/@haind-pwn/miniupnpc-minixml-oob-readunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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References
https://github.com/miniupnp/miniupnphttps://github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf42d6/miniupnpc/src/minixml.c#L61https://github.com/miniupnp/miniupnp/commit/3cfb4fb78d5ac04ed0dadc8dd842fc9e448916dbhttps://hackmd.io/@haind-pwn/miniupnpc-minixml-oob-readhttps://www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds-read-via-minixml-parseatt