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CVE-2008-1523

15
FAUCET Score

CVE-2008-1523 describes an information disclosure vulnerability in specific ZyXEL Prestige P-660, P-661, and P-662 router models with firmware versions 3.40(AGD.2) through 3.40(AHQ.3). Authenticated attackers can directly request specific HTML pages (WAN.html, wzPPPOE.html, rpDyDNS.html) to retrieve sensitive ISP and Dynamic DNS credentials from the HTML source. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and potential for partial confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
h-d1CPE matchmatch criteria
cpe:2.3:h:zyxel:prestige_660:h-d1:*:*:*:*:*:*:*
h-d3CPE matchmatch criteria
cpe:2.3:h:zyxel:prestige_660:h-d3:*:*:*:*:*:*:*
hw-d1CPE matchmatch criteria
cpe:2.3:h:zyxel:prestige_661:hw-d1:*:*:*:*:*:*:*
3.40CPE matchmatch criteria
cpe:2.3:h:zyxel:zynos:3.40:agd.2:*:*:*:*:*:*
3.40CPE matchmatch criteria
cpe:2.3:h:zyxel:zynos:3.40:agl.3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 44th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/41509
gnucitizen.org / projects/router-hacking-challenge
procheckup.com / Hacking_ZyXEL_Gateways.pdf
securityfocus.com / archive/1/489009/100/0/threaded