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CVE-2026-21555

Published: Aug 3, 2026Updated: Aug 3, 2026 Sources: CVE List NVDCWE-20
7.5HIGH
NVD MITRE
EPSS Score
0.4%
Top 66.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

Unisoc (Shanghai) Technologies Co., Ltd.
commercial·CNaka sc9832e, t310, t616, t760, t610, sc7731e, t606, t612, sc9863a, t618
UDX710Embedded
Hardware Firmware / cpu-gpu

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.unisoc.com/en/support/product-security-bulletin/2084109408382668801
unisoc.com

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