VulnerabilityModified

CVE-2008-1526

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), do not use a salt when calculating an MD5 password hash, which makes it easier for attackers to crack passwords.

HIGH 7.5EPSS 0.89%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.89% probability · 59th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-916
Affected: zyxel/p-663hn-51 firmware · zyxel/p-660h-61 firmware · zyxel/p-660h-63 firmware · zyxel/p-660h-67 firmware · zyxel/p-660h-d1 firmware · zyxel/p-660h-d3 firmware · zyxel/p-660hn-51 firmware · zyxel/p-660h-t1 firmware · zyxel/p-660hw d1 firmware · zyxel/p-660hw d3 firmware · zyxel/p-660hw t3 firmware · zyxel/p-661hnu-f1 firmware · zyxel/p-661h firmware · zyxel/p-661hw-d1 firmware · zyxel/p-661hnu-f3 firmware · zyxel/p-662hw-d3 firmware · zyxel/p-662hw-d firmware · zyxel/p-662hw-d1 firmware · zyxel/p-662h-61 firmware
Source: cve@mitre.org

EPSS trend

EPSS 0.9% 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

http://www.gnucitizen.org/projects/router-hacking-challenge/Broken Link
http://www.procheckup.com/Hacking_ZyXEL_Gateways.pdfBroken Link
http://www.securityfocus.com/archive/1/489009/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.gnucitizen.org/projects/router-hacking-challenge/Broken Link
http://www.procheckup.com/Hacking_ZyXEL_Gateways.pdfBroken Link
http://www.securityfocus.com/archive/1/489009/100/0/threadedBroken Link, Third Party Advisory, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.