CVE-2026-15429

HIGHNVD 8.88.8
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory published 2026-07-14. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

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

A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data. 

An authenticated user with sufficient privileges may be able to modify account settings and gain elevated administrative privileges.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
55%
KEV
Not listed

Published

July 14, 2026

Last Modified

August 6, 2026

Advisory Details (2)

Auto-updated Jul 15, 2026
No patch confirmed yet.
generic

Security Advisory: Multiple Vulnerabilities in TP-Link Archer VX1800v (CVE-2026-15427, CVE-2026-15428 & CVE-2026-15429)

https://www.tp-link.com/us/support/faq/5189/

Vendor Advisories for CVE-2026-15429(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 22× in last 7d / 102× 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.

Showing the most recent 100 of 133 total refreshes for this CVE.

  1. 2026-08-30 05:18 UTCEG score recompute
  2. 2026-08-30 05:18 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-28 02:42 UTCEG score recompute
  6. 2026-08-28 02:42 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-27 13:31 UTCGHSA enrichment
  9. 2026-08-26 23:35 UTCEG score recompute
  10. 2026-08-26 23:35 UTCGHSA enrichment
  11. 2026-08-26 14:46 UTCEPSS rescore
  12. 2026-08-26 04:40 UTCGHSA enrichment
  13. 2026-08-25 14:58 UTCEG score recompute
  14. 2026-08-25 14:58 UTCGHSA enrichment
  15. 2026-08-25 13:48 UTCEPSS rescore
  16. 2026-08-25 01:47 UTCEG score recompute
  17. 2026-08-25 01:47 UTCGHSA enrichment
  18. 2026-08-24 12:35 UTCEG score recompute
  19. 2026-08-24 12:35 UTCGHSA enrichment
  20. 2026-08-23 23:04 UTCGHSA enrichment
  21. 2026-08-23 09:36 UTCEG score recompute
  22. 2026-08-23 09:36 UTCGHSA enrichment
  23. 2026-08-23 00:19 UTCEPSS rescore
  24. 2026-08-22 20:25 UTCGHSA enrichment
  25. 2026-08-22 07:13 UTCEG score recompute
Show 75 more
  1. 2026-08-22 07:13 UTCGHSA enrichment
  2. 2026-08-21 23:49 UTCEPSS rescore
  3. 2026-08-21 18:01 UTCGHSA enrichment
  4. 2026-08-21 04:49 UTCEG score recompute
  5. 2026-08-21 04:49 UTCGHSA enrichment
  6. 2026-08-20 22:55 UTCEPSS rescore
  7. 2026-08-20 15:37 UTCGHSA enrichment
  8. 2026-08-20 02:18 UTCEG score recompute
  9. 2026-08-20 02:18 UTCGHSA enrichment
  10. 2026-08-19 17:03 UTCEPSS rescore
  11. 2026-08-19 13:05 UTCGHSA enrichment
  12. 2026-08-18 23:54 UTCEG score recompute
  13. 2026-08-18 23:54 UTCGHSA enrichment
  14. 2026-08-18 13:48 UTCEPSS rescore
  15. 2026-08-18 10:40 UTCGHSA enrichment
  16. 2026-08-17 21:28 UTCEG score recompute
  17. 2026-08-17 21:28 UTCGHSA enrichment
  18. 2026-08-17 13:47 UTCEPSS rescore
  19. 2026-08-17 05:53 UTCGHSA enrichment
  20. 2026-08-16 16:10 UTCEG score recompute
  21. 2026-08-16 16:10 UTCGHSA enrichment
  22. 2026-08-16 14:56 UTCEPSS rescore
  23. 2026-08-16 02:58 UTCEG score recompute
  24. 2026-08-16 02:58 UTCGHSA enrichment
  25. 2026-08-16 02:14 UTCEPSS rescore
  26. 2026-08-15 13:47 UTCEG score recompute
  27. 2026-08-15 13:47 UTCGHSA enrichment
  28. 2026-08-15 01:30 UTCEPSS rescore
  29. 2026-08-15 00:35 UTCGHSA enrichment
  30. 2026-08-14 11:23 UTCGHSA enrichment
  31. 2026-08-13 22:12 UTCEG score recompute
  32. 2026-08-13 22:12 UTCGHSA enrichment
  33. 2026-08-13 22:00 UTCEPSS rescore
  34. 2026-08-13 09:01 UTCGHSA enrichment
  35. 2026-08-12 19:50 UTCEG score recompute
  36. 2026-08-12 19:50 UTCGHSA enrichment
  37. 2026-08-12 13:50 UTCEPSS rescore
  38. 2026-08-12 06:38 UTCGHSA enrichment
  39. 2026-08-11 17:27 UTCEG score recompute
  40. 2026-08-11 17:27 UTCGHSA enrichment
  41. 2026-08-11 13:42 UTCEPSS rescore
  42. 2026-08-11 04:09 UTCEG score recompute
  43. 2026-08-11 04:08 UTCGHSA enrichment
  44. 2026-08-11 00:00 UTCEPSS rescore
  45. 2026-08-10 14:57 UTCGHSA enrichment
  46. 2026-08-10 01:45 UTCEG score recompute
  47. 2026-08-10 01:45 UTCGHSA enrichment
  48. 2026-08-09 13:46 UTCEPSS rescore
  49. 2026-08-09 12:34 UTCGHSA enrichment
  50. 2026-08-08 23:22 UTCEG score recompute
  51. 2026-08-08 23:22 UTCGHSA enrichment
  52. 2026-08-08 16:37 UTCEPSS rescore
  53. 2026-08-08 10:10 UTCGHSA enrichment
  54. 2026-08-07 20:59 UTCEG score recompute
  55. 2026-08-07 20:59 UTCGHSA enrichment
  56. 2026-08-07 07:47 UTCGHSA enrichment
  57. 2026-08-06 18:35 UTCEG score recompute 3.70
  58. 2026-08-06 18:35 UTCGHSA enrichment
  59. 2026-08-06 18:35 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  60. 2026-08-06 13:46 UTCEPSS rescore
  61. 2026-08-06 01:24 UTCEG score recompute
  62. 2026-08-06 01:24 UTCGHSA enrichment
  63. 2026-08-05 19:17 UTCEPSS rescore
  64. 2026-08-05 00:03 UTCEG score recompute
  65. 2026-08-05 00:03 UTCGHSA enrichment
  66. 2026-08-04 15:10 UTCEPSS rescore
  67. 2026-08-04 10:38 UTCEPSS rescore
  68. 2026-08-03 22:40 UTCEG score recompute
  69. 2026-08-03 22:40 UTCGHSA enrichment
  70. 2026-08-03 10:35 UTCEPSS rescore
  71. 2026-08-02 21:19 UTCEG score recompute
  72. 2026-08-02 21:19 UTCGHSA enrichment
  73. 2026-08-02 02:26 UTCEPSS rescore
  74. 2026-08-01 19:58 UTCEG score recompute
  75. 2026-08-01 19:58 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-15429?
CVE-2026-15429 is a high vulnerability published on July 14, 2026. A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data. An authenticated user with sufficient privileges may be able…
When was CVE-2026-15429 disclosed?
CVE-2026-15429 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15429 actively exploited?
CVE-2026-15429 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 45.1% of all scored CVEs.
What is the CVSS score of CVE-2026-15429?
CVE-2026-15429 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-15429?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15429, 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-2026-15429

Explore →

Is Your Infrastructure Affected by CVE-2026-15429?

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