Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R…
Priority MEDIUM 54CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R V9.1.0u.6115-B20201022 allows a remote attacker to cause a denial of service (D0S) via the command field.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.14182 96th 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
- Partial
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:totolink:x5000r_firmware:9.1.0u.6118_b20201102:*:*:*:*:*:*:* | 9.1.0u.6118_b20201102 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:x5000r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6115_b20201022:*:*:*:*:*:*:* | 9.1.0u.6115_b20201022 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
- cpe:2.3:o:totolink:x5000r_firmware:9.1.0u.6118_b20201102:*:*:*:*:*:*:* Versions 9.1.0u.6118_b20201102 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:x5000r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6115_b20201022:*:*:*:*:*:*:* Versions 9.1.0u.6115_b20201022 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-28640
- 2026-10-03 Alias added: GHSA-5wqx-3cwh-cgg8
References
More TOTOLINK A7000r Firmware vulnerabilities
- TI-2024-18932 Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R… CVSS 3.1CRITICAL 9.8
- TI-2023-26994 TOTOLink A7000R V9.1.0u.6115_B20201022 has a stack overflow vulnerability via setOpModeCfg. CVSS 3.1CRITICAL 9.8
- TI-2024-06678 TOTOLINK A7000R cstecgi.cgi setWizardCfg buffer overflow CVSS 4.0HIGH 8.7
- TI-2024-06677 TOTOLINK A7000R cstecgi.cgi loginauth buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-39335 Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the… CVSS 3.1HIGH 7.5
- TI-2025-39334 Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the… CVSS 3.1HIGH 7.5
Sources
- CVE-2024-28640 · CVE Program
- CVE-2024-28640 · NVD
- FIRST EPSS
- GHSA-5wqx-3cwh-cgg8 · 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