D-Link DIR-823G A1V1.0.2B05 upload_firmware.cgi main null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.5 | $0-$5k | 0.00 |
A vulnerability was found in D-Link DIR-823G A1V1.0.2B05. It has been classified as critical. Affected is the function main
of the file upload_firmware.cgi. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:
D-Link DIR-823G A1V1.0.2B05 was found to contain a Null-pointer dereference in the main function of upload_firmware.cgi, which allows remote attackers to cause a Denial of Service (DoS) via a crafted input.
The advisory is shared for download at dlink.com.cn. This vulnerability is traded as CVE-2024-33345 since 04/23/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. 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 04/29/2024).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entries VDB-248942, VDB-249769, VDB-249770 and VDB-249855 are pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔒VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/23/2024 CVE reserved04/29/2024 Advisory disclosed
04/29/2024 VulDB entry created
04/29/2024 VulDB entry last update
Sources
Vendor: dlink.comAdvisory: dlink.com.cn
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2024-33345 (🔒)
See also: 🔒
Entry
Created: 04/29/2024 21:28Changes: 04/29/2024 21:28 (55)
Complete: 🔍
Cache ID: 3:07E:103
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