TOTOLINK A3002RU-V2.0.0 B20190814.1034 allows authenticated remote users to modify the…
Priority MEDIUM 45CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution, 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-78 and CWE-862.
Summary
TOTOLINK A3002RU-V2.0.0 B20190814.1034 allows authenticated remote users to modify the system's 'Run Command'. An attacker can use this functionality to execute arbitrary OS commands on the router.
Why it matters now
EPSS 0.04203 91st 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
Not available: CISA has not published SSVC decision points for this record.
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 · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:totolink:a3002r_firmware:*:*:*:*:*:*:*:* | before 1.1.1-b20200824.0128 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:a3002r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:a3002ru-v1_firmware:*:*:*:*:*:*:*:* | before 3.4.0-b20201030.1754 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:a3002ru-v1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:a3002ru-v2_firmware:*:*:*:*:*:*:*:* | before 2.1.1-b20200911.1756 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:a3002ru-v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:a702r-v2_firmware:*:*:*:*:*:*:*:* | before 1.0.0-b20201028.1743 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:a702r-v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:a702r-v3_firmware:*:*:*:*:*:*:*:* | before 1.0.0-b20201103.1713 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:a702r-v3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
- cpe:2.3:o:totolink:a3002r_firmware:*:*:*:*:*:*:*:* Versions before 1.1.1-b20200824.0128 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:a3002r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:a3002ru-v1_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0-b20201030.1754 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:a3002ru-v1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:a3002ru-v2_firmware:*:*:*:*:*:*:*:* Versions before 2.1.1-b20200911.1756 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:a3002ru-v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:a702r-v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0-b20201028.1743 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:a702r-v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:a702r-v3_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0-b20201103.1713 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:a702r-v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:totolink:n100re-v3_firmware:*:*:*:*:*:*:*:* | before 3.4.0-b20201030.0926 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n100re-v3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:n150rt_firmware:*:*:*:*:*:*:*:* | before 3.4.0-b20201030.1142 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n150rt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:n200re-v3_firmware:*:*:*:*:*:*:*:* | before 3.4.0-b20201029.1811 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n200re-v3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:n200re-v4_firmware:*:*:*:*:*:*:*:* | before 4.0.0-b20200805.1507 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n200re-v4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:n210re_firmware:*:*:*:*:*:*:*:* | before 1.0.0-b20201030.2030 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n210re:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:n300rh-v3_firmware:*:*:*:*:*:*:*:* | before 3.2.4-b20201029.1838 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n300rh-v3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:n300rt_firmware:*:*:*:*:*:*:*:* | before 3.4.0-b20201026.2033 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n300rt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
| cpe:2.3:o:totolink:n302r_plus_firmware:*:*:*:*:*:*:*:* | before 3.4.0-b20201028.2224 | Vulnerable | TOTOLINK |
| cpe:2.3:h:totolink:n302r_plus:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TOTOLINK |
- cpe:2.3:o:totolink:n100re-v3_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0-b20201030.0926 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n100re-v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:n150rt_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0-b20201030.1142 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n150rt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:n200re-v3_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0-b20201029.1811 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n200re-v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:n200re-v4_firmware:*:*:*:*:*:*:*:* Versions before 4.0.0-b20200805.1507 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n200re-v4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:n210re_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0-b20201030.2030 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n210re:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:n300rh-v3_firmware:*:*:*:*:*:*:*:* Versions before 3.2.4-b20201029.1838 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n300rh-v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:n300rt_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0-b20201026.2033 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n300rt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
- cpe:2.3:o:totolink:n302r_plus_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0-b20201028.2224 Vulnerable ·TOTOLINK
- cpe:2.3:h:totolink:n302r_plus:-:*:*:*:*:*:*:* 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-2020-25499
- 2026-10-03 Alias added: GHSA-g4mx-vhr8-g9g7
References
More TOTOLINK A3002r Firmware vulnerabilities
- TI-2025-35057 TOTOLINK-A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
- TI-2025-28880 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the… CVSS 3.1CRITICAL 9.8
- TI-2025-28878 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the… CVSS 3.1CRITICAL 9.8
- TI-2025-28876 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the… CVSS 3.1CRITICAL 9.8
- TI-2025-28874 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
- TI-2025-19054 TOTOLINK A3002R V4.0.0-B20230531.1404 is vulnerable to Command Injection in /bin/boa via bandstr. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-25499 · CVE Program
- CVE-2020-25499 · NVD
- FIRST EPSS
- GHSA-g4mx-vhr8-g9g7 · 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