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TI-2026-53047 Aliases CVE-2026-75784GHSA-xvh6-w8q3-q5g8

TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow

Priority HIGH 82CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of the file /usr/nginx/sbin/nginx of the component HTTP Header Handler. The manipulation of the argument Server results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01096 65th 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
Yes
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-WLC1001v2.07b01—No fix listedCNA
  • TEW-WLC100 VendorTRENDnet Affected 1v2.07b01 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:trendnet:tew-wlc100:*:*:*:*:*:*:*:*——TRENDnet
  • cpe:2.3:a:trendnet:tew-wlc100:*:*:*:*:*:*:*:* Versions — — ·TRENDnet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75784
  2. 2026-10-03 Alias added: GHSA-xvh6-w8q3-q5g8

References

  • 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-2026-53046 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
  • TI-2024-34076 The boa httpd of Trendnet TEW-820AP 1.01.B01 has a stack overflow vulnerability in… CVSS 3.1CRITICAL 9.8
See all 240 →

Sources