Skip to main content

Dir 878 Firmware CVE-2021-30072

CRITICAL
Out-of-bounds Write (CWE-787)
2021-04-02 cve@mitre.org
Buffer Overflow D-Link Memory Corruption Dir 878 Firmware
9.8
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Apr 02, 2021 - 20:15 nvd
CRITICAL 9.8

DescriptionNVD

An issue was discovered in prog.cgi on D-Link DIR-878 1.30B08 devices. Because strcat is misused, there is a stack-based buffer overflow that does not require authentication.

AnalysisAI

An issue was discovered in prog.cgi on D-Link DIR-878 1.30B08 devices. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. An issue was discovered in prog.cgi on D-Link DIR-878 1.30B08 devices. Because strcat is misused, there is a stack-based buffer overflow that does not require authentication. Affected products include: Dlink Dir-878 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

More in Dir 878 Firmware

View all
CVE-2023-27720 CRITICAL POC
9.8 Apr 09

D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_48d630 function. Rated critical severity (CV
CVE-2022-44801 CRITICAL POC
9.8 Nov 22

D-Link DIR-878 1.02B05 is vulnerable to Incorrect Access Control. Rated critical severity (CVSS 9.8), this vulnerability
CVE-2022-44202 CRITICAL POC
9.8 Nov 22

D-Link DIR878 1.02B04 and 1.02B05 are vulnerable to Buffer Overflow. Rated critical severity (CVSS 9.8), this vulnerabil
CVE-2019-9125 CRITICAL POC
9.8 Feb 25

An issue was discovered on D-Link DIR-878 1.12B01 devices. Rated critical severity (CVSS 9.8), this vulnerability is rem
CVE-2019-9124 CRITICAL POC
9.8 Feb 25

An issue was discovered on D-Link DIR-878 1.12B01 devices. Rated critical severity (CVSS 9.8), this vulnerability is rem
CVE-2019-8319 HIGH POC
8.8 Feb 13

An issue was discovered on D-Link DIR-878 devices with firmware 1.12A1. Rated high severity (CVSS 8.8), this vulnerabili
CVE-2019-8318 HIGH POC
8.8 Feb 13

An issue was discovered on D-Link DIR-878 devices with firmware 1.12A1. Rated high severity (CVSS 8.8), this vulnerabili
CVE-2019-8317 HIGH POC
8.8 Feb 13

An issue was discovered on D-Link DIR-878 devices with firmware 1.12A1. Rated high severity (CVSS 8.8), this vulnerabili
CVE-2019-8316 HIGH POC
8.8 Feb 13

An issue was discovered on D-Link DIR-878 devices with firmware 1.12A1. Rated high severity (CVSS 8.8), this vulnerabili
CVE-2019-8315 HIGH POC
8.8 Feb 13

An issue was discovered on D-Link DIR-878 devices with firmware 1.12A1. Rated high severity (CVSS 8.8), this vulnerabili
CVE-2019-8314 HIGH POC
8.8 Feb 13

An issue was discovered on D-Link DIR-878 devices with firmware 1.12A1. Rated high severity (CVSS 8.8), this vulnerabili
CVE-2019-8313 HIGH POC
8.8 Feb 13

An issue was discovered on D-Link DIR-878 devices with firmware 1.12A1. Rated high severity (CVSS 8.8), this vulnerabili

Same weakness CWE-787 – Out-of-bounds Write

View all
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2012-1889 HIGH POC
8.8
CVE-2010-3333 HIGH POC
7.8
CVE-2014-1761 HIGH POC
7.8
CVE-2009-3129 HIGH POC
7.8
CVE-2021-1732 HIGH POC
7.8
CVE-2013-3346 CRITICAL POC
9.8

Same technique Buffer Overflow

View all
CVE-2017-7269 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2009-0927 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2017-11882 HIGH POC
7.8
CVE-2010-3333 HIGH POC
7.8

Share

CVE-2021-30072 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy