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CVE-2025-27034 is a critical memory corruption vulnerability in a closed-source Qualcomm modem component, described as affecting the Multi-Mode Call Processor during selection of a Public Land Mobile Network from the Steering of Roaming failed list. The flaw is caused by improper validation of array indices while processing malformed PLMN selection responses, which can result in out-of-bounds memory corruption in modem firmware. Available reporting indicates the vulnerable code path resides in Qualcomm baseband functionality used across multiple Snapdragon-powered platforms, including mobile, IoT, and automotive deployments. The issue has been associated with remote code execution without user interaction and has been reported as exploited in the wild.
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No public exploit code observed for this vulnerability.
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16 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical memory corruption vulnerability in Qualcomm's Multi-Mode Call Processor during PLMN selection from the Steering of Roaming failed list, allowing remote code execution without user interaction.
Unknown (listed as a trending/high-risk CVE associated with Qualcomm; no technical details provided in the content).
A critical vulnerability in a Qualcomm closed-source component affecting Android devices, details provided by Qualcomm.
A critical vulnerability in a Qualcomm closed-source component affecting Android devices, details provided by Qualcomm.
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.