OpenBK7231T Stored XSS via Unsanitized MQTT-Set Channel Labels
Priority LOW 39CWE-79Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
OpenBK7231T's CHANNEL_SetLabel (src/cmnds/cmd_channels.c) stores channel labels received via the MQTT SetChannelLabel command using strdup with no HTML sanitization. CHANNEL_GetLabel returns these labels unsanitized, and they are rendered via hprintf255 at 15+ locations in src/httpserver/http_fns.c with no HTML encoding.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00281 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| openshwprojects | OpenBK7231T_App | all versions | — | No fix listed | CNA |
- OpenBK7231T_App Vendoropenshwprojects Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-71274
- 2026-10-03 Alias added: GHSA-9c86-c5c2-55cr
References
More openshwprojects vulnerabilities
- TI-2026-49940 OpenBK7231T CSRF in /cfg_wifi_set Leading to Implicit Web Password Disable and WiFi Hijack CVSS 3.1MEDIUM 6.5
- TI-2026-49942 OpenBK7231T - Reflected XSS via OTA host Parameter CVSS 3.1MEDIUM 5.4
Sources
- CVE-2026-71274 · CVE Program
- CVE-2026-71274 · NVD
- FIRST EPSS
- GHSA-9c86-c5c2-55cr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences