Auth bypass in Teraway Linktracker

CVE-2009-1617

Teraway LinkTracker 1.0 allows remote attackers to bypass authentication and gain administrative access via a userid=1&lvl=1 value for the twLTadmin cookie.

Vulnerability class: Broken Authentication

Published 2009-05-12 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.025 (84.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Teraway Linktracker — versions 1.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

secunia.com/advisories/34903 (Vendor Advisory, third-party-advisory)
www.exploit-db.com/exploits/8550 (exploit)
www.securityfocus.com/bid/34735 (Exploit, vdb-entry)