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CVE-2026-75784 (GCVE-0-2026-75784)

Vulnerability from nvd – Published: 2026-08-18 14:00 – Updated: 2026-08-20 17:20

Title

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

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.

Severity

10 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

10 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-20 15:52 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/391525	vdb-entrytechnical-description
https://vuldb.com/vuln/391525/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-75784	third-party-advisory
https://vuldb.com/submit/877773	third-party-advisory
https://github.com/meishigana/CVE/tree/main/team1…	related
https://github.com/meishigana/CVE/blob/main/team1…	exploit

Impacted products

1 product

Vendor	Product	Version
TRENDnet	TEW-WLC100	Affected: 1v2.07b01 cpe:2.3:a:trendnet:tew-wlc100::::::::

Credits

fuhanhan2014 (VulDB User)

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-75784",
                "options": [
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                    "Technical Impact": "total"
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                "timestamp": "2026-08-20T15:52:19.079542Z",
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CVE-2026-19891 (GCVE-0-2026-19891)

Vulnerability from nvd – Published: 2026-08-15 11:00 – Updated: 2026-08-17 15:51

Title

TRENDnet TEW-WLC100 IKE Phase 1 Aggressive Mode racoon.conf missing encryption

Summary

A vulnerability was determined in TRENDnet TEW-WLC100 2.05b02. This affects an unknown function of the file /etc/racoon.conf of the component IKE Phase 1 Aggressive Mode. This manipulation of the argument exchange_mode causes missing encryption of sensitive data. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The vendor was contacted early about this disclosure.

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-17 15:50 UTC

CWE

CWE-311 - Missing Encryption of Sensitive Data
CWE-310 - Cryptographic Issues

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/390080	vdb-entrytechnical-description
https://vuldb.com/vuln/390080/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19891	third-party-advisory
https://vuldb.com/submit/870587	third-party-advisory
https://app.notion.com/p/TEW-WLC100-2-05b02-38b1f…	related

Impacted products

1 product

Vendor	Product	Version
TRENDnet	TEW-WLC100	Affected: 2.05b02 cpe:2.3:a:trendnet:tew-wlc100::::::::

Credits

L14Utopia (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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}

Find a vulnerability

Search criteria

2 vulnerabilities found for TEW-WLC100 by TRENDnet

CVE-2026-75784 (GCVE-0-2026-75784)

CVE-2026-19891 (GCVE-0-2026-19891)