Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote…
Priority MEDIUM 52CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain escalated privileges via function phpcgi_main in cgibin. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01464 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-645_firmware:1.03:*:*:*:*:*:*:* | 1.03 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-645:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-645_firmware:1.03:*:*:*:*:*:*:* Versions 1.03 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-645:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-36089
- 2026-10-03 Alias added: GHSA-2g94-9xch-xc29
References
More D-Link Japan K.K. Dir-645 Firmware vulnerabilities
- TI-2015-01840 The D-Link DIR-645 Wired/Wireless Router Rev. KEVCVSS 3.1HIGH 8.8
- TI-2022-22965 D-Link DIR 645A1 1.06B01_Beta01 was discovered to contain a stack overflow via the… CVSS 3.1CRITICAL 9.8
- TI-2013-06123 An issue was discovered in soap.cgi?service=WANIPConn1 on D-Link DIR-845 before v1.02b03… CVSS 3.1CRITICAL 9.8
- TI-2018-15341 D-Link DIR-110/412/600/615/645/815 RCE via service.cgi CVSS 4.0CRITICAL 10.0
- TI-2025-09786 D-Link DIR-645 soap.cgi soapcgi_main command injection CVSS 4.0MEDIUM 5.3
- TI-2025-06554 D-Link DIR-645 ssdpcgi cgibin ssdpcgi_main command injection CVSS 4.0MEDIUM 5.3
Sources
- CVE-2023-36089 · CVE Program
- CVE-2023-36089 · NVD
- FIRST EPSS
- GHSA-2g94-9xch-xc29 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences