Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses information via redirection from the setup wizard.

published 2021-12-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7607

cvss: 5.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 40.1%; EPSS 40.1% chance of exploitation in 30 days, percentile 98%
public exploits: 0; none known, plus a Nuclei check

Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses information via redirection from the setup wizard. Authentication can be bypassed and a user may view information as Admin by manually browsing to the setup wizard and forcing it to redirect to the desired page.

Exploit prediction

40.06% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template Trendnet AC2600 TEW-827DRU - Credentials Disclosure nuclei detection template

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a Trendnet AC2600 TEW-827DRU

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

tenable.com /security/research/tra-2021-54
mitigation, third-party-advisory

Sources

CVE List CVE-2021-20150
NVD CVE-2021-20150

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary