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CVE-2020-9067

25
FAUCET Score

CVE-2020-9067 describes a buffer overflow vulnerability in specific versions of Huawei SmartAX MA5600T, MA5800, and EA5800 products when functioning as an Optical Line Terminal (OLT). This vulnerability, rated 8.0 HIGH on the CVSS scale, allows an authenticated attacker on the adjacent network to achieve remote code execution. While the attack complexity is low, the potential impact includes high confidentiality, integrity, and availability compromise. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
v800r013c10CPE matchmatch criteria
cpe:2.3:o:huawei:smartax_ma5600t_firmware:v800r013c10:*:*:*:*:*:*:*
v800r015c00CPE matchmatch criteria
cpe:2.3:o:huawei:smartax_ma5600t_firmware:v800r015c00:*:*:*:*:*:*:*
v800r015c10CPE matchmatch criteria
cpe:2.3:o:huawei:smartax_ma5600t_firmware:v800r015c10:*:*:*:*:*:*:*
v800r017c00CPE matchmatch criteria
cpe:2.3:o:huawei:smartax_ma5600t_firmware:v800r017c00:*:*:*:*:*:*:*
v800r017c10CPE matchmatch criteria
cpe:2.3:o:huawei:smartax_ma5600t_firmware:v800r017c10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.62%
Probability of exploitation in next 30 days
EPSS Percentile
45.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0062 is in the 42nd percentile among its peer group of 554 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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

huawei.com / en/psirt/security-advisories/huawei-sa-20200401-01-overflow-en
Vendor Advisory