EUVD-2026-80040
GHSA-qc4h-rf45-7h7x
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (vulncheck) · only source for this CVE.
CVSS VectorVendor: vulncheck
Lifecycle Timeline
1DescriptionCVE.org
Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in route_policy_add.cgi caused by a missing exit_port parameter. Attackers can send requests lacking the exit_port field to trigger the null pointer dereference, resulting in a denial of service.
AnalysisAI
An authenticated administrator of a Netcore NR255-V router running firmware 1.5.130703 can crash the device by sending a crafted HTTP request to the route_policy_add.cgi handler that omits the required exit_port parameter, triggering a null pointer dereference (CWE-476) and a denial-of-service condition. The flaw is remotely reachable over the network but sits behind the management interface's high-privilege authentication requirement (CVSS 4.0 PR:H), and it affects availability only — there is no confidentiality or integrity impact. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-476 – NULL Pointer Dereference
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
Leaving vuln.today