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CVE-2026-62948

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 Activ
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:16fbe039e34066b2f01ead94d3cf23b2aa8fb6e7b280b1b95a1d2b6e68583140
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-117","description":"CWE-117: Improper Output Neutralization for Logs","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-150","description":"CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/problemTypes/2/descriptions/0

Affected products and versions

1 source assertion
{"product":"openwrt","vendor":"openwrt","versions":[{"status":"affected","version":"< 25.12.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-117","description":"CWE-117: Improper Output Neutralization for Logs","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-150","description":"CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/problemTypes/2/descriptions/0

Source references

6 source assertions
{"name":"https://github.com/openwrt/luci/commit/55379d04fcc3c605003a5001d6135cf02ae6048a","tags":["x_refsource_MISC"],"url":"https://github.com/openwrt/luci/commit/55379d04fcc3c605003a5001d6135cf02ae6048a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/references/2
{"name":"https://github.com/openwrt/odhcpd/commit/68f382690bfaec56d5b1f31c3c31c48bcb642e3a","tags":["x_refsource_MISC"],"url":"https://github.com/openwrt/odhcpd/commit/68f382690bfaec56d5b1f31c3c31c48bcb642e3a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/references/3
{"name":"https://github.com/openwrt/odhcpd/pull/404","tags":["x_refsource_MISC"],"url":"https://github.com/openwrt/odhcpd/pull/404"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/references/1
{"name":"https://github.com/openwrt/openwrt/releases/tag/v25.12.5","tags":["x_refsource_MISC"],"url":"https://github.com/openwrt/openwrt/releases/tag/v25.12.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/references/4
{"name":"https://github.com/openwrt/openwrt/security/advisories/GHSA-hhmc-92hw-535f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/openwrt/openwrt/security/advisories/GHSA-hhmc-92hw-535f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/openwrt/openwrt/security/advisories/GHSA-hhmc-92hw-535f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb628aa679d3ea070fcb45115b8d77ee08fbd64357a3ef8f3bcc0c4654829140 · sha256:e3ecafac2876be7a… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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