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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-62948 Detail

Description

OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, odhcpd writes a DHCPv6 client FQDN option 39 hostname into /tmp/odhcpd.leases through src/statefiles.c statefiles_write_state6() and statefiles_write_state4() without escaping, allowing newline injection of forged lease lines that LuCI rpcd-mod-luci getDHCPLeases displays through htdocs/luci-static/resources/view/status/include/40_dhcp.js and htdocs/luci-static/resources/luci.js dom.append as live HTML in the Active DHCPv6 Leases admin page. This vulnerability is fixed in 25.12.5.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/openwrt/luci/commit/55379d04fcc3c605003a5001d6135cf02ae6048a GitHub, Inc.
https://github.com/openwrt/odhcpd/commit/68f382690bfaec56d5b1f31c3c31c48bcb642e3a GitHub, Inc.
https://github.com/openwrt/odhcpd/pull/404 GitHub, Inc.
https://github.com/openwrt/openwrt/releases/tag/v25.12.5 GitHub, Inc.
https://github.com/openwrt/openwrt/security/advisories/GHSA-hhmc-92hw-535f CISA-ADP, GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') GitHub, Inc.  
CWE-117 Improper Output Neutralization for Logs GitHub, Inc.  
CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences GitHub, Inc.  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-62948
NVD Published Date:
07/15/2026
NVD Last Modified:
07/15/2026
Source:
GitHub, Inc.