intelligence_src_350d40f2cc69277bca
- Source-provided label
- Publisher RSS metadata
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Oct 01, 2025 00:00 UTC
- Retrieved
- Oct 13, 2026 08:35 UTC
MSV-4629: Mediatek Baseband Malformed Audio Attribute for RTP/AVP Leads to Denial of Service
An attacker sending a malformed SIP message over VoLTE to a device with a Mediatek baseband can trigger the vulnerability described here. The impact is DoS in the baseband, triggered by malformed VoLTE message such as SIP INVITE or MESSAGE request. The vulnerability described in this advisory affected a wide range of Mediatek devices. This vulnerability is assigned CVE-2025-20725. Vulnerability Details Crash happens due to a NULL access. The crash happens in sdp_msg_create_negotiation_sdp. It is caused by a malformed audio attribute for RTP/AVP resulting in a NULL pointer access, which crashes the modem. Example payload The following SIP messages were tested:
Reference details
- Source category
- research-report
- First reported
- Oct 01, 2025 00:00 UTC
- Last reported
- Oct 01, 2025 00:00 UTC
- Catalog updated
- Oct 13, 2026 08:35 UTC
- Record ID
c9278534c77da2ccf736b9af477ac109ca2914aef310c17ec869b01f76a2fc29
Published indicators
Network indicators are visibly defanged. This page does not make them clickable or send them to another service.
No validated file hashes or network indicators are stored for this record.
Source observations
This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.
Feed collection status
Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.
1 sources: 0 stale, 0 needing attention, 0 paused, 0 unverified.
Review source update dates and status
- intelligence_src_350d40f2cc69277bcaRecent successful batchLast successful batch: Last attempt:
Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.