Back
CVE-2021-27372
Realtek xPON RTL9601D SDK 1.9 stores passwords in plaintext which may allow attackers to possibly gain access to the device with root…
Critical9.8EPSS 1.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Realtek xPON RTL9601D SDK 1.9 stores passwords in plaintext which may allow attackers to possibly gain access to the device with root permissions via the build-in network monitoring tool and execute arbitrary commands.
Timeline
ID reserved
By mitre
- 36 days later
· 36 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (1)
- https://www.realtek.com/images/safe-report/RTL9601D_CVE-2021-27372.pdf (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-27372)Record last updated .