Code injection in SKYWORTH SK-WR6640X fiber router allows remote code execution
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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-94.
Summary
SKYWORTH SK-WR6640X Wi-Fi 6 Dual-Band Fiber Router (AX1800M) V1.0.3 contains a code injection flaw (CWE-94). A remote attacker without privileges or user interaction can execute arbitrary code on the device, with total impact on confidentiality, integrity and availability.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Description from the CNA
An issue in SKYWORTH DIGITAL CO.,LTD SK-WR6640X Wi-Fi 6 Dual-Band Fiber Router (AX1800M) V1.0.3 allows a remote attacker to execute arbitrary code.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for SKYWORTH SK-WR6640X Wi-Fi 6 Dual-Band Fiber Router (AX1800M).
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Timeline
- 2026-10-13 Threatist record created from CVE-2026-78802
- 2026-10-13 Alias added: GHSA-wg49-7523-vxv3
- 2026-10-15 CVSS score added · CISA ADP
- 2026-10-15 Weakness changed · CISA ADP
- 2026-10-15 CISA SSVC decision points changed
- 2026-10-15 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-78802 · CVE Program
- CVE-2026-78802 · NVD
- FIRST EPSS
- GHSA-wg49-7523-vxv3 · 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