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cpe:2.3:a:openwrt:luci-app-adblock-fast:*:*:*:*:*:*:*:*

part: a version: * update: *

VendorOpenwrt (f96faf39-ea80-51de-ab00-c5c27e1349a3)
ProductLuci App Adblock Fast (8749292a-667e-5a40-8d82-4ca24b92e398)
Edition*
Language*
Software edition*
Target software*
Target hardware*
Other*

Notes

Imported from gcve-enriched-dumps CVE data

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Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2026-55159 vulnerable 2026-10-13 12:28:58.022976 luci-app-adblock-fast: Delegated `luci-app-adblock-fast` users can reach root command execution by injecting newline-separated cron entries
HIGH (8.8)
luci-app-adblock-fast a WebUI for fast, lightweight DNS-based ad-blocker for OpenWrt that works with dnsmasq, smartdns, or unbound. Prior to 1.2.4-2, the luci.adblock-fast.setCronEntry RPC method accepts an entry argument containing carriage-return or line-feed characters and serializes it into /etc/crontabs/root as though it were one logical line. An authenticated delegated user with the luci-app-adblock-fast write ACL can therefore create an additional physical root cron entry through applications/luci-app-adblock-fast/root/usr/share/rpcd/ucode/luci.adblock-fast, resulting in persistent command execution as UID 0 when cron runs. The issue is not demonstrated for unauthenticated callers or users without the component write ACL. This vulnerability is fixed in 1.2.4-2.
Published: 2026-09-21T19:24:03.581Z
Updated: 2026-09-29T14:01:11.023Z
Reference links
Imported from gcve-enriched-dumps CVE data

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