CVE-2026-71275

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 51/100
Published: 2026-08-05 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: Required
S: Changed
C: Low
I: Low
A: None

Description

OpenBK7231T's http_fn_ota_exec() (src/httpserver/http_fns.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 JavaScript in an authenticated admin's browser when they click a malicious link.

Weakness Classification (1)

Bug Bounty Relevance

51 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.23%
Raw Score 0.002260
Percentile 13.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00226
2026-10-28
0.00226

Intelligence Sources

nvd ref →