Buffer overflow in Xiongmaitech Ahb80n16t-Gs
CVE-2022-26259
A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-R-MH-V3, AHB80N16T-GS, AHB80N32F4-LME, and NBD90S0VT-QW allows attackers to cause a Denial of Service (DoS) via a crafted RSTP request.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Xiongmaitech Ahb80n16t-Gs
- Xiongmaitech Ahb80n16t-Gs Firmware — versions 4.03.r11.7601.nat.onvifc.20211223
- Xiongmaitech Ahb80n32f4-Lme
- Xiongmaitech Ahb80n32f4-Lme Firmware — versions 4.03.r11.7601.nat.onvifc.20211228
- Xiongmaitech Ahb80x04r-Mh
- Xiongmaitech Ahb80x04r-Mh Firmware — versions 4.03.r11.nat.dss.onvifc.20210729
- Xiongmaitech Ahb80x04r-Mh-V2
- Xiongmaitech Ahb80x04r-Mh-V2 Firmware — versions 4.03.r11.nat.dss.onvifc.20210729
- Xiongmaitech Ahb80x04-R-Mh-V3
- Xiongmaitech Ahb80x04-R-Mh-V3 Firmware — versions 4.03.r11.nat.dss.onvifc.20210729
Weakness classification (CWE)
References
- www.xiongmaitech.com/en/index.php/service/notice_info/51/2 (Vendor Advisory)
- blog.ret2.me/post/2022-01-26-exploiting-xiongmai-dvrs/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-26259?
- CVE-2022-26259 is a high-severity vulnerability in Xiongmaitech Ahb80n16t-Gs, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-03-28.
- How severe is CVE-2022-26259?
- High severity. CVSS v3 base score is 7.8 out of 10.