Is this vulnerability remotely exploitable?

It can be, if an application using iccDEV accepts ICC profiles or related media from remote users (for example, through file uploads, document imports, or remote resources). In that case, a crafted file delivered over the network could trigger the issue during parsing.

What level of access does an attacker need to exploit this?

An attacker needs the ability to cause the vulnerable application to parse a malicious ICC profile or associated text. This typically means upload or import permissions, or control over content that the application automatically processes (such as images or documents with embedded profiles).

What is the safest general fix pattern?

Strengthen input validation and bounds checking around parsing routines, ensuring that buffer sizes are always checked against input lengths before writes occur. Additionally, favor safe memory handling abstractions and clear limits on profile sizes and array dimensions.

Severity:

HIGH RISK

(8.8)

Heap Buffer Overflow (CWE-122) in iccDEV CIccXmlArrayType::ParseText()

CVE-2026-21682

Published:

Jan 7, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Memory Corruption / Heap Buffer Overflow

CWE:

CWE-20;CWE-122

Impact:

Remote Code Execution and Denial of Service

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Memory Corruption / Heap Buffer Overflow

CWE:

CWE-20;CWE-122

Impact:

Remote Code Execution and Denial of Service

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Heap Buffer Overflow (CWE-122) in iccDEV CIccXmlArrayType::ParseText()

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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