CVE-2026-76590 (GCVE-0-2026-76590)
Vulnerability from cvelistv5 – Published: 2026-08-19 21:45 – Updated: 2026-08-21 16:47
VLAI
EPSS
VEX
Title
TRENDnet TEW-755AP ssi wan.cgi stack-based overflow
Summary
A vulnerability was identified in TRENDnet TEW-755AP up to 20260702. Affected by this issue is some unknown functionality of the file /cgi-bin/wan.cgi of the component ssi. Such manipulation of the argument cameo.wan.wan_pppoe_password_00 leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Severity
9.9 (Critical)
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 16:47 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/393087 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/393087/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-76590 | third-party-advisory |
| https://vuldb.com/submit/877850 | third-party-advisory |
| https://github.com/meishigana/CVE/tree/main/team1… | related |
| https://github.com/meishigana/CVE/blob/main/team1… | exploit |
Impacted products
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| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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They have not been verified by an analyst and are provided for guidance only.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
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