CVEs / CVE-2025-8159
CVE-2025-8159: D-Link DIR-513 vulnerability
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 20.5% chance of exploitation in the next 30 days, higher than 97% of CVEs (1 Nov 2026)
- Last changed at its sources
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Description
A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. This issue affects the function formLanguageChange of the file /goform/formLanguageChange of the component HTTP POST Request Handler. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| D-Link DIR-513 | 1.0 | — |
Exploitation
Not in the CISA Known Exploited Vulnerabilities catalog as of 30 Oct 2026.
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-119, CWE-121, CWE-787 |
References
- CVE-2025-8159 on NVD
- https://github.com/boyslikesports/vul/blob/main/formLanguageChange.md Broken Link
- https://vuldb.com/?ctiid.317573 Permissions Required, VDB Entry
- https://vuldb.com/?id.317573 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.620604 Third Party Advisory, VDB Entry
- https://www.dlink.com/ Product
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.