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CVE-2026-91003
D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow
Critical9.4EPSS 0.98%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Critical9.4 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| VulDBCNA (assigner) | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Critical9.1 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | High8.3 | AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | High8.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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 |
- EPSS (exploitation in 30 days)
- 0.98% · top 38% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.4.
Weakness
Affected products
References (7)
- VDB-403586 | D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow (opens in a new tab)vdb-entrytechnical-description
- VDB-403586 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-91003 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #932002 | D-Link DI-8300 16.07 Buffer Overflow (opens in a new tab)third-party-advisory
- https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md (opens in a new tab)relatedexploit
- https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py (opens in a new tab)exploit
- https://www.dlink.com/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-91003)Record last updated .