D-Link DIR-823G 1.0.2B05 User-Agent buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in D-Link DIR-823G 1.0.2B05. This vulnerability affects unknown code. This manipulation of the argument User-Agent causes buffer overflow. This vulnerability appears as CVE-2024-27657. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in D-Link DIR-823G 1.0.2B05 (Router Operating System). Affected by this vulnerability is some unknown functionality. The manipulation of the argument User-Agent with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the User-Agent parameter. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input, and possibly remote code execution.

The weakness was presented 02/29/2024. The advisory is shared at calm-healer-839.notion.site. This vulnerability is known as CVE-2024-27657 since 02/26/2024. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/22/2025).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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

02/26/2024 🔍
02/29/2024 +3 days 🔍
02/29/2024 +0 days 🔍
04/22/2025 +418 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: calm-healer-839.notion.site
Status: Not defined

CVE: CVE-2024-27657 (🔍)
GCVE (CVE): GCVE-0-2024-27657
GCVE (VulDB): GCVE-100-255313

Entryinfo

Created: 02/29/2024 20:55
Updated: 04/22/2025 09:33
Changes: 02/29/2024 20:55 (39), 04/22/2025 09:33 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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