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CVE-2025-31718 is a critical vulnerability in a Unisoc modem component caused by improper input validation. Crafted remote input to the vulnerable modem interface can trigger a system crash and may also enable remote escalation of privilege. Available scoring information indicates the issue is network-reachable, requires no privileges, and does not require user interaction, suggesting the vulnerable code path processes externally supplied data without sufficient validation before it reaches privileged modem functionality.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
High-severity Unisoc modem vulnerability fixed via vendor updates; baseband issues may be reachable via crafted radio traffic depending on implementation.
A critical improper input validation vulnerability in a modem, described as causing a possible system crash and enabling remote privilege escalation.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.