CVE-2026-19789

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-14. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in Tenda AC1206 15.03.06.23_multi_TD01. This vulnerability affects the function set_wl_guest_iplist of the file /goform/WifiGuestSet of the component httpd web management interface. This manipulation of the argument shareSpeed causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

August 14, 2026

Last Modified

August 14, 2026

Advisory Details (2)

Auto-updated Aug 14, 2026
No patch confirmed yet.
generic

腾达(Tenda) 官方网站

https://www.tenda.com.cn/
generic

iot_bug/Tenda/AC12/2.md at main · lipenghai/iot_bug · GitHub

https://github.com/lipenghai/iot_bug/blob/main/Tenda/AC12/2.md

Vendor Advisories for CVE-2026-19789(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 33× in last 7d / 37× 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 05:38 UTCEG score recompute
  2. 2026-08-21 05:38 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 16:47 UTCGHSA enrichment
  5. 2026-08-20 03:50 UTCEG score recompute
  6. 2026-08-20 03:50 UTCGHSA enrichment
  7. 2026-08-19 17:03 UTCEPSS rescore
  8. 2026-08-19 14:59 UTCGHSA enrichment
  9. 2026-08-19 02:07 UTCEG score recompute
  10. 2026-08-19 02:07 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-18 13:16 UTCGHSA enrichment
  13. 2026-08-18 00:24 UTCEG score recompute
  14. 2026-08-18 00:24 UTCGHSA enrichment
  15. 2026-08-17 13:47 UTCEPSS rescore
  16. 2026-08-17 11:29 UTCGHSA enrichment
  17. 2026-08-16 22:39 UTCEG score recompute
  18. 2026-08-16 22:39 UTCGHSA enrichment
  19. 2026-08-16 14:56 UTCEPSS rescore
  20. 2026-08-16 09:48 UTCEG score recompute
  21. 2026-08-16 09:48 UTCGHSA enrichment
  22. 2026-08-16 02:14 UTCEPSS rescore
  23. 2026-08-15 20:58 UTCGHSA enrichment
  24. 2026-08-15 08:07 UTCEG score recompute
  25. 2026-08-15 08:07 UTCGHSA enrichment
Show 12 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 19:16 UTCGHSA enrichment
  3. 2026-08-14 16:31 UTCEG score recompute
  4. 2026-08-14 16:31 UTCGHSA enrichment
  5. 2026-08-14 16:31 UTCNVD updateCVSS v4 → 7.4
  6. 2026-08-14 15:19 UTCEG score recompute
  7. 2026-08-14 15:19 UTCGHSA enrichment
  8. 2026-08-14 15:18 UTCMITRE cvelistV5CVSS v4 → 8.7
  9. 2026-08-14 04:20 UTCEG score recompute
  10. 2026-08-14 04:19 UTCNVD updateCVSS v4 → 7.4
  11. 2026-08-14 03:39 UTCEG score recompute
  12. 2026-08-14 03:38 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19789?
CVE-2026-19789 is a high vulnerability published on August 14, 2026. A vulnerability was determined in Tenda AC1206 15.03.06.23multiTD01. This vulnerability affects the function setwlguest_iplist of the file /goform/WifiGuestSet of the component httpd web management interface. This manipulation of the argument shareSpeed causes stack-based buffer overflow. Remote…
When was CVE-2026-19789 disclosed?
CVE-2026-19789 was first published in the National Vulnerability Database on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19789 actively exploited?
CVE-2026-19789 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 61.3% of all scored CVEs.
What is the CVSS score of CVE-2026-19789?
CVE-2026-19789 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-19789?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19789, 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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