CVE-2026-19924

CRITICALPre-NVD 9.89.8
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-16. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

A security vulnerability has been detected in Tenda AC10 16.03.10.09_multi_TDE01. This vulnerability affects the function R7WebsSecurityHandler of the component httpd. The manipulation leads to improper authentication. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
57%
KEV
Not listed

Published

August 16, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Aug 20, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

腾达(Tenda) 官方网站

https://www.tenda.com.cn/
generic🟡 PoC Available

tenda-ac10-vulnerabilities/authen-bypass-tenda-ac10.md at main · teiwiet/tenda-ac10-vulnerabilities · GitHub

https://github.com/teiwiet/tenda-ac10-vulnerabilities/blob/main/authen-bypass-tenda-ac10.md

Vendor Advisories for CVE-2026-19924(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 49× in last 7d / 49× 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 05:49 UTCGHSA enrichment
  2. 2026-08-21 01:37 UTCEG score recompute
  3. 2026-08-21 01:37 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 21:25 UTCGHSA enrichment
  6. 2026-08-20 17:14 UTCGHSA enrichment
  7. 2026-08-20 13:01 UTCGHSA enrichment
  8. 2026-08-20 09:17 UTCGHSA enrichment
  9. 2026-08-20 05:05 UTCGHSA enrichment
  10. 2026-08-20 00:53 UTCGHSA enrichment
  11. 2026-08-19 20:39 UTCEG score recompute
  12. 2026-08-19 20:39 UTCGHSA enrichment
  13. 2026-08-19 17:03 UTCEPSS rescore
  14. 2026-08-19 16:26 UTCEG score recompute
  15. 2026-08-19 16:26 UTCGHSA enrichment
  16. 2026-08-19 16:24 UTCNVD updateCVSS v4 → 8.9
  17. 2026-08-19 16:04 UTCEG score recompute
  18. 2026-08-19 16:03 UTCGHSA enrichment
  19. 2026-08-19 16:02 UTCMITRE cvelistV5CVSS v4 → 9.3
  20. 2026-08-19 11:56 UTCGHSA enrichment
  21. 2026-08-19 07:44 UTCGHSA enrichment
  22. 2026-08-19 03:32 UTCGHSA enrichment
  23. 2026-08-18 23:20 UTCGHSA enrichment
  24. 2026-08-18 19:09 UTCGHSA enrichment
  25. 2026-08-18 14:57 UTCEG score recompute
Show 24 more
  1. 2026-08-18 14:57 UTCGHSA enrichment
  2. 2026-08-18 13:48 UTCEPSS rescore
  3. 2026-08-18 09:21 UTCGHSA enrichment
  4. 2026-08-18 05:09 UTCGHSA enrichment
  5. 2026-08-18 00:55 UTCGHSA enrichment
  6. 2026-08-17 20:40 UTCGHSA enrichment
  7. 2026-08-17 16:28 UTCEG score recompute
  8. 2026-08-17 16:28 UTCGHSA enrichment
  9. 2026-08-17 13:47 UTCEPSS rescore
  10. 2026-08-17 12:00 UTCGHSA enrichment
  11. 2026-08-17 07:48 UTCGHSA enrichment
  12. 2026-08-17 03:37 UTCGHSA enrichment
  13. 2026-08-16 23:25 UTCGHSA enrichment
  14. 2026-08-16 19:13 UTCGHSA enrichment
  15. 2026-08-16 15:01 UTCEG score recompute
  16. 2026-08-16 15:01 UTCGHSA enrichment
  17. 2026-08-16 14:56 UTCEPSS rescore
  18. 2026-08-16 10:49 UTCGHSA enrichment
  19. 2026-08-16 06:37 UTCEG score recompute
  20. 2026-08-16 06:37 UTCGHSA enrichment
  21. 2026-08-16 02:26 UTCEG score recompute
  22. 2026-08-16 02:25 UTCNVD updateCVSS v4 → 8.9
  23. 2026-08-16 01:23 UTCEG score recompute
  24. 2026-08-16 01:21 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-19924?
CVE-2026-19924 is a critical vulnerability published on August 16, 2026. A security vulnerability has been detected in Tenda AC10 16.03.10.09multiTDE01. This vulnerability affects the function R7WebsSecurityHandler of the component httpd. The manipulation leads to improper authentication. The attack may be initiated remotely. The exploit has been disclosed publicly and…
When was CVE-2026-19924 disclosed?
CVE-2026-19924 was first published in the National Vulnerability Database on August 16, 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-2026-19924 actively exploited?
CVE-2026-19924 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 43.0% of all scored CVEs.
What is the CVSS score of CVE-2026-19924?
CVE-2026-19924 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-19924?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19924, 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-2026-19924

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