CVE-2026-9105

MEDIUMNVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-06-29. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0

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

An authenticated stack-based buffer overflow vulnerability exists in the web management interface of TP-Link TL-WR841N v14. A remote authenticated attacker can send crafted HTTP requests to cause the embedded web server to overflow a stack buffer, resulting in a crash of the affected process.

Successful exploitation results in a denial-of-service condition, causing the device to crash and automatically reboot.

CVSS v3
6.5
EG Score
6.5(high)
EPSS
42.2%
KEV
Not listed

Published

June 29, 2026

Last Modified

July 1, 2026

Advisory Details (3)

Auto-updated Jun 29, 2026
No patch confirmed yet.
generic

Security Advisory: Authenticated Stack-Based Buffer Overflow in TP-Link TL-WR841N Web Interface (CVE-2026-9105)

https://www.tp-link.com/us/support/faq/5152/
generic

Download for TL-WR841N | TP-Link

https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware
generic

Download for TL-WR841N | TP-Link

https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware

Vendor Advisories for CVE-2026-9105(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 23× in last 7d / 25× 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. 2026-07-06 18:31 UTCEG score recompute
  2. 2026-07-06 18:31 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 18:07 UTCEG score recompute
  6. 2026-07-05 18:07 UTCGHSA enrichment
  7. 2026-07-05 02:31 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 17:50 UTCEG score recompute
  10. 2026-07-04 17:49 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-07-03 17:28 UTCEG score recompute
  14. 2026-07-03 17:28 UTCGHSA enrichment
  15. 2026-07-02 17:11 UTCEG score recompute▼ 0.30
  16. 2026-07-02 17:11 UTCGHSA enrichment
  17. 2026-07-01 21:08 UTCNVD updateCVSS v3 → 6.5
  18. 2026-07-01 16:49 UTCEG score recompute
  19. 2026-07-01 16:49 UTCGHSA enrichment
  20. 2026-07-01 15:07 UTCEPSS rescore
  21. 2026-06-30 23:22 UTCEPSS rescore
  22. 2026-06-30 16:32 UTCEG score recompute
  23. 2026-06-30 16:32 UTCGHSA enrichment
  24. 2026-06-29 16:14 UTCEG score recompute
  25. 2026-06-29 16:13 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9105?
CVE-2026-9105 is a medium vulnerability published on June 29, 2026. An authenticated stack-based buffer overflow vulnerability exists in the web management interface of TP-Link TL-WR841N v14. A remote authenticated attacker can send crafted HTTP requests to cause the embedded web server to overflow a stack buffer, resulting in a crash of the affected process.…
When was CVE-2026-9105 disclosed?
CVE-2026-9105 was first published in the National Vulnerability Database on June 29, 2026, with the most recent update on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9105 actively exploited?
CVE-2026-9105 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9105?
CVE-2026-9105 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-9105?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9105, 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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