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CVE-2020-22253

30
FAUCET Score

CVE-2020-22253 describes a critical vulnerability affecting several Xiongmai Technology Co devices, including various AHB7008T, AHB7804R, AHB7808R, and HI3518E models. The vulnerability stems from an open port 9530, which allows unauthenticated attackers to establish arbitrary Telnet connections to the affected devices. With a CVSS score of 9.8 (Critical), this flaw presents a severe risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or significant community discussion, the high FAUCET Risk Score of 79/100 indicates a substantial inherent risk.

Impacted Technologies

VendorProductVersion(s)CPE
4.02.r11.7601.nat.onvifc.20170420CPE matchmatch criteria
cpe:2.3:o:xiongmaitech:ahb7008t-mh-v2_firmware:4.02.r11.7601.nat.onvifc.20170420:*:*:*:*:*:*:*
4.02.r11.nat.onvifc.20160422CPE matchmatch criteria
cpe:2.3:o:xiongmaitech:ahb7804r-els_firmware:4.02.r11.nat.onvifc.20160422:*:*:*:*:*:*:*
4.02.r11.7601.nat.onvifc.20170424CPE matchmatch criteria
cpe:2.3:o:xiongmaitech:ahb7804r-mh-v2_firmware:4.02.r11.7601.nat.onvifc.20170424:*:*:*:*:*:*:*
4.02.r11.nat.onvifc.20170327CPE matchmatch criteria
cpe:2.3:o:xiongmaitech:ahb7808r-ms-v2_firmware:4.02.r11.nat.onvifc.20170327:*:*:*:*:*:*:*
4.02.r11.nat.onvifc.20170328CPE matchmatch criteria
cpe:2.3:o:xiongmaitech:ahb7808r-ms_firmware:4.02.r11.nat.onvifc.20170328:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
60.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 46th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

xiongmaitech.com / en/index.php/news/info/12/68
MitigationVendor Advisory