TOTOLINK CA300-PoE ap.so QuickSetting os command injection
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
A vulnerability classified as critical has been found in TOTOLINK CA300-PoE 6.2c.884. This affects the function QuickSetting of the file ap.so. The manipulation of the argument hour/minute leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| TOTOLINK | CA300-PoE | 6.2c.884 | — | No fix listed | CNA |
- CA300-PoE VendorTOTOLINK Affected 6.2c.884 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-6621
- 2026-10-03 Alias added: GHSA-8pmg-2x8v-mfv9
References
More TOTOLINK Ca300-poe Firmware vulnerabilities
- TI-2023-09903 TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2023-09902 TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2023-09901 TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2023-09892 TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a hard code password for root… CVSS 3.1CRITICAL 9.8
- TI-2023-09891 TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2023-09881 TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-6621 · CVE Program
- CVE-2025-6621 · NVD
- FIRST EPSS
- GHSA-8pmg-2x8v-mfv9 · 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