CVE-2026-76591

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: LOW) published 2026-08-20. a secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.4Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A security flaw has been discovered in TRENDnet TEW-755AP up to 20260702. This affects the function log_email_server of the file /cgi-bin/email.cgi of the component ssi. Performing a manipulation results in command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

CVSS v3
7.4
EG Score
7.4(high)
EG Risk
38(Track)
EG Risk 38/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity74% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
69%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Aug 19, 2026
No patch confirmed yet.
generic

CVE/team15_20260702/14_755ap-ssi-cmdi/poc/poc-ssi-injection.py at main · meishigana/CVE · GitHub

https://github.com/meishigana/CVE/blob/main/team15_20260702/14_755ap-ssi-cmdi/poc/poc-ssi-injection.py
generic

CVE/team15_20260702/14_755ap-ssi-cmdi at main · meishigana/CVE · GitHub

https://github.com/meishigana/CVE/tree/main/team15_20260702/14_755ap-ssi-cmdi

Vendor Advisories for CVE-2026-76591(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-21 01:31 UTCEG score recompute
  2. 2026-08-21 01:31 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 12:50 UTCGHSA enrichment
  5. 2026-08-20 11:03 UTCEG score recompute
  6. 2026-08-20 11:03 UTCGHSA enrichment
  7. 2026-08-19 22:20 UTCEG score recompute
  8. 2026-08-19 22:19 UTCNVD updateCVSS v4 → 2.1
  9. 2026-08-19 22:09 UTCEG score recompute
  10. 2026-08-19 22:07 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76591?
CVE-2026-76591 is a high vulnerability published on August 19, 2026. A security flaw has been discovered in TRENDnet TEW-755AP up to 20260702. This affects the function logemailserver of the file /cgi-bin/email.cgi of the component ssi. Performing a manipulation results in command injection. The attack is possible to be carried out remotely. The exploit has been…
When was CVE-2026-76591 disclosed?
CVE-2026-76591 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76591 actively exploited?
CVE-2026-76591 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 31.4% of all scored CVEs.
What is the CVSS score of CVE-2026-76591?
CVE-2026-76591 has a CVSS v3 base score of 7.4 (NVD).
How do I remediate CVE-2026-76591?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76591, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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