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Vulnerability record · CVE-2019-13276 · published 10 July 2019

CVE-2019-13276: Trendnet tew-827dru firmware out-of-bounds write vulnerability

Trendnet · Tew 827dru Firmware

TRENDnet TEW-827DRU with firmware up to and including 2.04B03 contains a stack-based buffer overflow in the ssi binary. The overflow allows an unauthenticated user to execute arbitrary code by providing a sufficiently long query string when POSTing to any valid cgi, txt, asp, or js file. The vulnerability can be exercised on the local intranet or remotely if remote administration is enabled.

9.8 CVSS 3.0 Critical EPSS 2.8% · top 14.3% CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

TRENDnet TEW-827DRU with firmware up to and including 2.04B03 contains a stack-based buffer overflow in the ssi binary. The overflow allows an unauthenticated user to execute arbitrary code by providing a sufficiently long query string when POSTing to any valid cgi, txt, asp, or js file. The vulnerability can be exercised on the local intranet or remotely if remote administration is enabled.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/fuzzywalls/TRENDNetExploits/tree/master/CVE-2019-13276 ExploitThird Party Advisory
https://github.com/fuzzywalls/TRENDNetExploits/tree/master/CVE-2019-13276 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-13276), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.