Read the docs
TI-2026-53189 Aliases CVE-2026-75976GHSA-h8w7-jqg9-6hfv

TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow

Priority HIGH 76CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00854 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TRENDnetTEW-823DRU1.1.02b01—No fix listedCNA
  • TEW-823DRU VendorTRENDnet Affected 1.1.02b01 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*——TRENDnet
  • cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:* Versions — — ·TRENDnet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75976
  2. 2026-10-03 Alias added: GHSA-h8w7-jqg9-6hfv

References

Exploit 1

Other 1

  • TI-2015-01070 The ping tool in multiple D-Link and TRENDnet devices allow remote attackers to execute… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-70883 OS command injection in TRENDnet TEW-751DR and related routers CVSS 4.0CRITICAL 10.0
  • TI-2026-54249 TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get stack-based overflow CVSS 4.0CRITICAL 10.0
  • TI-2026-53047 TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow CVSS 4.0CRITICAL 10.0
  • TI-2026-53046 TRENDnet TEW-WLC100P DHCP blobmsg netifd stack-based overflow CVSS 4.0CRITICAL 9.4
  • TI-2024-37951 TRENDnet TEW-632BRP v1.010B31 devices have an OS command injection vulnerability in the… CVSS 3.1CRITICAL 9.8
See all 240 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences