by Kastro CVE-2026-121606
Qihoo 360 D621-2 — Qihoo 360 D621-2/D603-2/D600-2/D619/D606-6/D706 Firmware Signature Verification iscm verify_sign signature verification
Description · from the CVE record
A vulnerability has been found in Qihoo 360 D621-2, D603-2, D600-2, D619, D606-6 and D706 up to 6.4.9. Affected by this issue is the function verify_sign of the file fs2/bin/iscm of the component Firmware Signature Verification. Such manipulation of the argument sign leads to improper verification of cryptographic signature. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected
ProductAffectedFixed inSource
D621-26.4.0–CNA
D621-26.4.1–CNA
D621-26.4.2–CNA
D621-26.4.3–CNA
D621-26.4.4–CNA
D621-26.4.5–CNA
D621-26.4.6–CNA
D621-26.4.7–CNA
D621-26.4.8–CNA
D621-26.4.9–CNA
D603-26.4.0–CNA
D603-26.4.1–CNA
Scores by source
VulDB (CNA)10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
VulDB (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C
VulDB (CNA)10.0CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C