Information disclosure in SKYWORTH SK-WR6640X Wi-Fi 6 router
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
SKYWORTH SK-WR6640X Wi-Fi 6 Dual-Band Fiber Router (AX1800M) V1.0.3 lets a remote attacker obtain sensitive information via hidden_factory_switch.gch. The weakness is classified as CWE-121, Stack-based Buffer Overflow. The CVSS 3.1 base score is 4.3 (MEDIUM), with vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. CISA has not added it to KEV.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
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 obtain sensitive information via the hidden_factory_switch.gch
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| — | — | 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 · 2026-10-28
Timeline
- 2026-10-22 Threatist record created from CVE-2026-78801
- 2026-10-22 Alias added: GHSA-5jmj-p7j2-pm54
- 2026-10-26 CVSS score added · CISA ADP
- 2026-10-26 Weakness changed · CISA ADP
- 2026-10-26 CISA SSVC decision points changed
References
Sources
- CVE-2026-78801 · CVE Program
- CVE-2026-78801 · NVD
- FIRST EPSS
- GHSA-5jmj-p7j2-pm54 · 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