CVE-2020-22253
Xiongmai
- Published
- 6 April 2022
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.1
- Severity
- critical
- EPSS
- 1.1% (63th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- None assigned
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Xiongmai Technology Co devices AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2, AHB7808R-MS-V2, AHB7808R-MS, AHB7808T-MS-V2, AHB7804R-LMS, and HI3518E_50H10L_S39 were all discovered to have port 9530 open which allows unauthenticated attackers to make arbitrary Telnet connections with the victim device.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 1.1% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| AHB7008T-MH-V2 | Xiongmai | unknown | 4.02.r11.7601, 4.02.r11.7601.nat.onvif.20170420, 4.02.r11.7601.nat.onvifc.20170420 |
| AHB7804R-ELS | Xiongmai | unknown | 4.02.r11.nat.onvif.20160422, 4.02.r11.nat.onvifc.20160422 |
| AHB7804R-LMS | Xiongmai | unknown | 4.02.r11.nat.20170301, 4.02.r11.nat.onvifc.20170301 |
| AHB7804R-MH-V2 | Xiongmai | unknown | 4.02.r11.7601.nat.onvif.20170424, 4.02.r11.7601.nat.onvifc.20170424 |
| AHB7808R-MS | Xiongmai | unknown | 4.02.r11.nat.onvif.20160328, 4.02.r11.nat.onvifc.20170328 |
| AHB7808R-MS-V2 | Xiongmai | unknown | 4.02.r11.nat.onvif.20170327, 4.02.r11.nat.onvifc.20170327 |
| AHB7808T-MS-V2 | Xiongmai | unknown | 4.02.r11.nat.onvifc.20161205 |
| HI3518E 50H10L S39 | Xiongmai | unknown | 4.02.r12.nat.onvifs.20170727, 4.02.r12.nat.onvifs.20170727_all |
References
Vendor advisory and patch
- http://www.xiongmaitech.com/en/index.php/news/info/12/68
- http://www.xiongmaitech.com/en/index.php/news/info/12/68
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.