EUVD-2026-21309
GHSA-3mmw-7c3p-rqxx
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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 NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was detected in D-Link DIR-513 1.10. This vulnerability affects the function formSetRoute of the file /goform/formSetRoute of the component POST Request Handler. The manipulation of the argument curTime results in buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
AnalysisAI
Buffer overflow in D-Link DIR-513 1.10 POST request handler allows authenticated remote attackers to achieve arbitrary code execution with high confidentiality, integrity, and availability impact. The formSetRoute function improperly validates the curTime parameter, enabling memory corruption attacks. Publicly available exploit code exists. This vulnerability affects end-of-life hardware no longer supported by D-Link, leaving no vendor remediation pathway.
Technical ContextAI
CWE-120 classic buffer overflow in formSetRoute function at /goform/formSetRoute endpoint. Insufficient bounds checking on curTime POST parameter enables stack/heap corruption. CVSS vector PR:L indicates authenticated access required. Affects discontinued D-Link DIR-513 firmware 1.10 with no active maintenance.
RemediationAI
No vendor-released patch identified at time of analysis; D-Link has discontinued support for DIR-513 hardware. Immediate device replacement recommended with current-generation router from active product line. Interim risk reduction: disable remote administration interfaces, restrict administrative access to trusted IP ranges via firewall rules, implement network segmentation to isolate device from critical assets. Do NOT expose management interface to internet. Monitor VulDB advisory at https://vuldb.com/vuln/356569 and vendor notifications at https://www.dlink.com/ for potential community firmware alternatives, though no official remediation exists for end-of-life products.
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Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today