Cross-site scripting in Netcore NR268 Web UI eval function
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting, Code execution
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.
Summary
Netcore NR268 starting at version 1.7.121109 has a cross-site scripting flaw in its Web UI. Input in the title, note, URL and content arguments of /router/l7_call_board_user_set.cgi is passed to the eval function without proper neutralization (CWE-79). A remote attacker with high privileges and user interaction can inject script into the page. A public exploit is available.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A vulnerability was identified in Netcore NR268 1.7.121109. Affected by this vulnerability is the function eval of the file /router/l7_call_board_user_set.cgi of the component Web UI. Such manipulation of the argument title/note/URL/content leads to cross site scripting. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Netcore NR268.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-12 Threatist record created from CVE-2026-108908
- 2026-10-12 Alias added: GHSA-g6vv-rvqm-27w3
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-16 Priority changed: LOW → MEDIUM
References
More Netcore vulnerabilities
- TI-2026-71052 Improper authentication in Netcore NR268 CGI Execution CVSS 4.0CRITICAL 10.0
- TI-2026-65286 Netcore NAP930 Network Tools CGI network_tools eval os command injection CVSS 4.0CRITICAL 10.0
- TI-2026-65110 Netcore NR289-GE boa_temp process_request missing authentication CVSS 4.0CRITICAL 10.0
- TI-2026-65109 Netcore NR289-GE CGI set_ntp_server_ip.cgi system os command injection CVSS 4.0CRITICAL 10.0
- TI-2026-65108 Netcore NR289-GE Location Time location_time.cgi system os command injection CVSS 4.0CRITICAL 10.0
- TI-2026-65105 Netcore NR289-GE CGI ap_ip.cgi system os command injection CVSS 4.0CRITICAL 10.0
Sources
- CVE-2026-108908 · CVE Program
- CVE-2026-108908 · NVD
- FIRST EPSS
- GHSA-g6vv-rvqm-27w3 · 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