Realtek RTL8195A prior 2.08 WPA2 Handshake DecWPA2KeyData size stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability has been found in Realtek RTL8195A and classified as critical. This vulnerability affects the function DecWPA2KeyData
of the component WPA2 Handshake Handler. The manipulation of the argument size
with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 02/04/2021. The advisory is shared for download at vdoo.com. This vulnerability was named CVE-2020-25854. There are known technical details, but no exploit is available.
Upgrading to version 2.08 eliminates this vulnerability.
Product
Vendor
Name
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: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
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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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: RTL8195A 2.08
Timeline
09/23/2020 🔍02/04/2021 🔍
02/04/2021 🔍
02/23/2021 🔍
Sources
Advisory: vdoo.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2020-25854 (🔍)
Entry
Created: 02/04/2021 10:19Updated: 02/23/2021 12:38
Changes: 02/04/2021 10:19 (39), 02/23/2021 12:38 (6)
Complete: 🔍
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