D-Link DIR-816 A2 1.10CNB0 form2IPQoSTcDel removeRuleList stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in D-Link DIR-816 A2 1.10CNB0. Affected is the function form2IPQoSTcDel. Such manipulation of the argument removeRuleList leads to stack-based overflow. This vulnerability is referenced as CVE-2023-43242. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in D-Link DIR-816 A2 1.10CNB0 (Router Operating System). Affected by this issue is the function form2IPQoSTcDel. The manipulation of the argument removeRuleList with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter removeRuleList in form2IPQoSTcDel.

The weakness was published 09/21/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-43242 since 09/18/2023. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/04/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-47661). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/18/2023 🔍
09/21/2023 +3 days 🔍
09/21/2023 +0 days 🔍
02/04/2026 +867 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-43242 (🔍)
GCVE (CVE): GCVE-0-2023-43242
GCVE (VulDB): GCVE-100-240140
EUVD: 🔍

Entryinfo

Created: 09/21/2023 17:04
Updated: 02/04/2026 12:42
Changes: 09/21/2023 17:04 (40), 10/14/2023 09:41 (11), 09/25/2024 05:43 (27), 02/04/2026 12:42 (1)
Complete: 🔍
Cache ID: 216::103

Submitinfo

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