CVE-2021-26797
An access control vulnerability in Hame SD1 Wi-Fi firmware <=V.20140224154640 allows an attacker to get system administrator through an open Telnet service.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An access control vulnerability in Hame SD1 Wi-Fi firmware <=V.20140224154640 allows an attacker to get system administrator through an open Telnet service.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.35% probability · 71th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-521
- Affected
- hametech/hame sd1 wi-fi firmware
- Source
- cve@mitre.org
EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://le0nc.blogspot.com/2021/04/cve-2021-26797-access-control.htmlExploit, Third Party Advisory
- https://le0nc.blogspot.com/2021/04/cve-2021-26797-access-control.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.