CVE-2001-1135 json
ZyXEL Prestige 642R and 642R-I routers do not filter the routers' Telnet and FTP ports on the external WAN interface from inside access, al…
published 2001-08-14 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-1116
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
ZyXEL Prestige 642R and 642R-I routers do not filter the routers' Telnet and FTP ports on the external WAN interface from inside access, allowing someone on an internal computer to reconfigure the router, if the password is known.
Exploit prediction
1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
securityfocus.com
/archive/1/214971
mailing-list, vendor-advisory
-
securityfocus.com
/bid/3346
vdb-entry, vendor-advisory
-
securityfocus.com
/archive/1/204439
mailing-list, vendor-advisory
-
securityfocus.com
/archive/1/203592
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/7146
vdb-entry
-
securityfocus.com
/archive/1/203022
mailing-list
Sources
- CVE List CVE-2001-1135
- NVD CVE-2001-1135
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