CVE-2021-34201

HIGH
7.1
CVSS Score
Published: June 16, 2021 at 07:50 PM UTC
Updated: July 9, 2026 at 01:16 AM UTC
2 products affected across 1 vendorDir 2640-us FirmwareDir-2640-Us

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Severity
HIGH7.1
Exploit prediction
EPSS 0.5%

Description

D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow. There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640). Local ordinary users can overwrite the global variables in the .bss section, causing the process crashes or changes.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

dlink-dir-2640-us (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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