High
Stack-based Buffer Overflow in Modem
In the modem OTA stack, there is a possible stack-based buffer overflow due to improper validation of scheduling information in SIB1 messages. This could lead to remote code execution or denial of service with no additional execution privileges needed.
Announced Group revision 1
Original source ↗CVE-2026-66086
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-66086
Modem
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
"product": "Modem",
"versions": [
{
"status": "affected",
"version": "T8100"
},
{
"status": "affected",
"version": "T9100"
},
{
"status": "affected",
"version": "UDX710"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-66086
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #29994 · Revision 1
- Added to Heist Feed
- Publisher date