CVE-2026-71275

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-08-05. the CNA's CVSS baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:turansec, epss, ghsa
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

OpenBK7231T's http_fn_ota_exec() (src/httpserver/http_fns.c) reflects the host query parameter directly into an HTML response via hprintf255(request, "OTA requested for %s!", tmpA) with no HTML encoding, allowing a crafted URL such as /ota_exec?host=alert(1) to execute JavaScript in an authenticated admin's browser when they click a malicious link.

CVSS v3
5.4
EG Score
5.4(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

GitHub - openshwprojects/OpenBK7231T_App: Open source firmware (Tasmota/Esphome replacement) for BK7231T, BK7231N, BL2028N, T34, XR809, W800/W801, W600/W601, BL602, LN882H, Realtek chips and more · GitHub

https://github.com/openshwprojects/OpenBK7231T_App

Vendor Advisories for CVE-2026-71275(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 21× in last 7d / 54× 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. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 14:20 UTCEG score recompute
  3. 2026-08-20 14:20 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 16:01 UTCGHSA enrichment
  6. 2026-08-18 18:14 UTCEG score recompute
  7. 2026-08-18 18:14 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-17 19:31 UTCEG score recompute
  11. 2026-08-17 19:31 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 20:11 UTCEG score recompute
  14. 2026-08-16 20:11 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:56 UTCEPSS rescore
  17. 2026-08-16 02:15 UTCEPSS rescore
  18. 2026-08-15 22:24 UTCEG score recompute
  19. 2026-08-15 22:24 UTCGHSA enrichment
  20. 2026-08-15 01:31 UTCEPSS rescore
  21. 2026-08-15 00:37 UTCGHSA enrichment
  22. 2026-08-14 02:51 UTCEG score recompute
  23. 2026-08-14 02:50 UTCGHSA enrichment
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 05:03 UTCEG score recompute
Show 29 more
  1. 2026-08-13 05:03 UTCGHSA enrichment
  2. 2026-08-12 13:51 UTCEPSS rescore
  3. 2026-08-12 07:16 UTCEG score recompute
  4. 2026-08-12 07:16 UTCGHSA enrichment
  5. 2026-08-11 09:29 UTCEG score recompute
  6. 2026-08-11 09:29 UTCGHSA enrichment
  7. 2026-08-11 00:00 UTCEPSS rescore
  8. 2026-08-10 11:42 UTCGHSA enrichment
  9. 2026-08-10 11:22 UTCEG score recompute
  10. 2026-08-10 11:22 UTCGHSA enrichment
  11. 2026-08-10 05:24 UTCEG score recompute
  12. 2026-08-10 05:24 UTCGHSA enrichment
  13. 2026-08-09 13:47 UTCEPSS rescore
  14. 2026-08-09 07:37 UTCEG score recompute
  15. 2026-08-09 07:37 UTCGHSA enrichment
  16. 2026-08-08 16:37 UTCEPSS rescore
  17. 2026-08-08 09:51 UTCEG score recompute
  18. 2026-08-08 09:51 UTCGHSA enrichment
  19. 2026-08-07 12:04 UTCGHSA enrichment
  20. 2026-08-06 14:17 UTCEG score recompute
  21. 2026-08-06 14:17 UTCGHSA enrichment
  22. 2026-08-06 13:47 UTCEPSS rescore
  23. 2026-08-05 16:30 UTCEG score recompute
  24. 2026-08-05 16:30 UTCGHSA enrichment
  25. 2026-08-05 16:13 UTCEG score recompute
  26. 2026-08-05 16:13 UTCGHSA enrichment
  27. 2026-08-05 13:27 UTCEG score recompute
  28. 2026-08-05 13:07 UTCEG score recompute
  29. 2026-08-05 13:07 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-71275?
CVE-2026-71275 is a medium vulnerability published on August 5, 2026. OpenBK7231T's httpfnotaexec() (src/httpserver/httpfns.c) reflects the host query parameter directly into an HTML response via hprintf255(request, "<h3>OTA requested for %s!</h3>", tmpA) with no HTML encoding, allowing a crafted URL such as /ota_exec?host=<script>alert(1)</script> to execute…
When was CVE-2026-71275 disclosed?
CVE-2026-71275 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71275 actively exploited?
CVE-2026-71275 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 96.7% of all scored CVEs.
What is the CVSS score of CVE-2026-71275?
CVE-2026-71275 has a CVSS v4.0 base score of 5.4 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-71275?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71275, 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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