Incorrect authorization in TOTOLINK X5000R's
Priority HIGH 82CWE-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
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.20087 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed X5000R's (AX1800 router) (Toto Link): V9.1.0u.6369_B20230113
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| TOTOLINK | X5000R's (AX1800 router) | before V9.1.0u.6369_B20230113 | V9.1.0u.6369_B20230113 | Patch available | CNA |
- X5000R's (AX1800 router) VendorTOTOLINK Affected before V9.1.0u.6369_B20230113 Fixed in V9.1.0u.6369_B20230113 Patch available CNA
Remediation
- Fix · CNA X5000R's (AX1800 router) (Toto Link) Fixed in V9.1.0u.6369_B20230113
Timeline
- 2026-10-02 Threatist record created from CVE-2025-13184
- 2026-10-03 Alias added: GHSA-xr55-5xvm-9rw7
References
More TOTOLINK X5000r Firmware vulnerabilities
- TI-2025-43097 TOTOLINK X5000R v9.1.0cu_2415_B20250515 contains an argument injection vulnerability in… CVSS 3.1CRITICAL 9.8
- TI-2024-28597 In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS… CVSS 3.1CRITICAL 9.8
- TI-2024-28595 In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS… CVSS 3.1CRITICAL 9.8
- TI-2024-28587 In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS… CVSS 3.1CRITICAL 9.8
- TI-2024-21298 TOTOLINK X5000R V9.1.0cu.2350_B20230313 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
- TI-2024-18932 Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-13184 · CVE Program
- CVE-2025-13184 · NVD
- FIRST EPSS
- GHSA-xr55-5xvm-9rw7 · 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