Review reviewHigh
CVE-2023-39086
rt-ac66u_b1, rt-ac66u b1 firmware
ASUS RT-AC66U B1 3.0.0.4.286_51665 was discovered to transmit sensitive information in cleartext.
- CVSS
- 7.5
- EPSS
- 0.31% 23.7% percentile
- CISA KEV
- Not listed
- Published
- 2023.08.09
Review review
The CVSS severity warrants an early asset and exposure review.
Known exploitationNot established by KEV
Exploit probability0.31%
Technical severityCVSS 7.5
Vulnerability overview
ASUS RT-AC66U B1 3.0.0.4.286_51665 was discovered to transmit sensitive information in cleartext.
Affected product and versions
- Product
- rt-ac66u_b1, rt-ac66u b1 firmware
- Affected versions
- 3.0.0.4.286_51665, 3.0.0.4.286 51665
- Fixed versions
- No verified fixed-version field is available yet
Recommended response sequence
Confirm exposure before applying a vendor-supported change.
- 1Identify
Confirm that rt-ac66u_b1, rt-ac66u b1 firmware and an affected version are present.
- 2Prioritize
Combine exploitation signals with asset exposure and business criticality.
- 3Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
- 4Verify
Recheck the version, service health, access paths, and relevant logs.
Technical data
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CWE
- CWE-319