- Description
- Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the N6CSet_DOT11_CIPHER_DEFAULT_KEY function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-26553.
- Source
- zdi-disclosures@trendmicro.com
- NVD status
- Analyzed
- Products
- wi-fi_usb_driver
CVSS 3.0
- Type
- Secondary
- Base score
- 8.8
- Impact score
- 6
- Exploitability score
- 2
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity
- HIGH
- zdi-disclosures@trendmicro.com
- CWE-122
- Hype score
- Not currently trending
CVE-2025-8302 explains why I was getting encryption related errors after seeing this index overflow error. Yeah, I'm pretty sure the fed bois were doing something seeing how this can be patched with 1 line of code.
@TheSonMorning
27 Nov 2025
15 Impressions
0 Retweets
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[CVE-2025-8302: HIGH] Vulnerability in Realtek rtl81xx SDK Wi-Fi Driver allows local attackers to escalate privileges via heap-based buffer overflow. Patch advised #cybersecurity.#cve,CVE-2025-8302,#cybersecurity https://t.co/rE9REr0x0Y https://t.co/UpnnZwuPkI
@CveFindCom
5 Sept 2025
107 Impressions
1 Retweet
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CVE-2025-8302 Realtek rtl81xx SDK Wi-Fi Driver Local Privilege Escalation via Heap Buffer Overflow https://t.co/wl1VDRmnqd
@VulmonFeeds
2 Sept 2025
12 Impressions
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CVE-2025-8302 Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate priv… https://t.co/JACEYhYCSs
@CVEnew
2 Sept 2025
187 Impressions
0 Retweets
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