CVE-2026-75877

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.9Exploit: Elevated riskExposed: 0

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

A flaw has been found in TRENDnet TV-IP751WIC 11.03.03. This vulnerability affects the function SystemNetworkChanged/SystemDDNSChanged/SystemEmailChanged/SystemFTPChanged/websCheckRealm/FUN_00432574/FUN_0043372C of the component alphapd. Executing a manipulation can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
61(Track*)
EG Risk 61/100SSVC: 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
Severity99% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

August 18, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Aug 20, 2026
No patch confirmed yet.
generic

CVE/team15_20260702/09_751wic-apd-password-overflow at main · meishigana/CVE · GitHub

https://github.com/meishigana/CVE/tree/main/team15_20260702/09_751wic-apd-password-overflow
generic

CVE/team15_20260702/09_751wic-apd-password-overflow/poc/poc-password-overflow.py at main · meishigana/CVE · GitHub

https://github.com/meishigana/CVE/blob/main/team15_20260702/09_751wic-apd-password-overflow/poc/poc-password-overflow.py

Vendor Advisories for CVE-2026-75877(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 27× in last 7d / 27× 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 04:25 UTCGHSA enrichment
  2. 2026-08-21 00:32 UTCEG score recompute
  3. 2026-08-21 00:32 UTCGHSA enrichment
  4. 2026-08-20 22:56 UTCEPSS rescore
  5. 2026-08-20 20:40 UTCGHSA enrichment
  6. 2026-08-20 16:47 UTCGHSA enrichment
  7. 2026-08-20 12:51 UTCGHSA enrichment
  8. 2026-08-20 09:49 UTCGHSA enrichment
  9. 2026-08-20 05:57 UTCGHSA enrichment
  10. 2026-08-20 02:04 UTCGHSA enrichment
  11. 2026-08-19 22:10 UTCGHSA enrichment
  12. 2026-08-19 18:14 UTCEG score recompute
  13. 2026-08-19 18:14 UTCGHSA enrichment
  14. 2026-08-19 17:04 UTCEPSS rescore
  15. 2026-08-19 13:24 UTCEG score recompute
  16. 2026-08-19 13:24 UTCGHSA enrichment
  17. 2026-08-19 13:23 UTCNVD updateCVSS v4 → 8.6
  18. 2026-08-19 13:17 UTCMITRE cvelistV5CVSS v4 → 9.4
  19. 2026-08-19 12:00 UTCGHSA enrichment
  20. 2026-08-19 08:05 UTCGHSA enrichment
  21. 2026-08-19 04:12 UTCGHSA enrichment
  22. 2026-08-19 00:15 UTCEG score recompute
  23. 2026-08-19 00:15 UTCGHSA enrichment
  24. 2026-08-18 20:22 UTCEG score recompute
  25. 2026-08-18 20:22 UTCNVD updateCVSS v4 → 8.6
Show 2 more
  1. 2026-08-18 19:53 UTCEG score recompute
  2. 2026-08-18 19:53 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-75877?
CVE-2026-75877 is a critical vulnerability published on August 18, 2026. A flaw has been found in TRENDnet TV-IP751WIC 11.03.03. This vulnerability affects the function SystemNetworkChanged/SystemDDNSChanged/SystemEmailChanged/SystemFTPChanged/websCheckRealm/FUN00432574/FUN0043372C of the component alphapd. Executing a manipulation can lead to stack-based buffer…
When was CVE-2026-75877 disclosed?
CVE-2026-75877 was first published in the National Vulnerability Database on August 18, 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-2026-75877 actively exploited?
CVE-2026-75877 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 53.2% of all scored CVEs.
What is the CVSS score of CVE-2026-75877?
CVE-2026-75877 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-75877?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75877, 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

Explore the affected products and dependency analysis for CVE-2026-75877

Explore →

Is Your Infrastructure Affected by CVE-2026-75877?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs