TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack…
Priority HIGH 73CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the ssid5g parameter in the setWiFiEasyGuestCfg function.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0071 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-45845
- 2026-10-03 Alias added: GHSA-w7v2-r8f5-7h23
References
More TOTOLINK Nr1800x Firmware vulnerabilities
- TI-2023-06604 Totolink NR1800X cstecgi.cgi loginAuth stack-based overflow CVSS 3.1CRITICAL 9.8
- TI-2026-01040 Totolink NR1800X POST Request cstecgi.cgi setWizardCfg buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-28866 TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack… CVSS 3.1HIGH 8.8
- TI-2025-28865 TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack… CVSS 3.1HIGH 8.8
- TI-2025-28864 TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack… CVSS 3.1HIGH 8.8
- TI-2025-37761 A stack buffer overflow vulnerability exists in the ToToLink LR1200GB… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2025-45845 · CVE Program
- CVE-2025-45845 · NVD
- FIRST EPSS
- GHSA-w7v2-r8f5-7h23 · GitHub Advisory Database · CC BY 4.0
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