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Fencer Vulns
medium 6.5

CVE-2020-9122 json

Some Huawei products have an insufficient input verification vulnerability.

published 2020-10-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29951

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

Some Huawei products have an insufficient input verification vulnerability. Attackers can exploit this vulnerability in the LAN to cause service abnormal on affected devices.Affected product versions include:HiRouter-CD30-10 version 10.0.2.5;HiRouter-CT31-10 version 10.0.2.20;WS5200-12 version 10.0.1.9;WS5281-10 version 10.0.5.10;WS5800-10 version 10.0.3.25;WS7100-10 version 10.0.5.21;WS7200-10 version 10.0.5.21.

Patch / fix

  • huawei hirouter-cd30-10_firmware 10.0.5.7
  • huawei hirouter-ct31-10_firmware 10.0.2.37
  • huawei ws5281-10_firmware 10.0.5.32
  • huawei ws5800-10_firmware 10.0.3.33
  • huawei ws7100-10_firmware 10.0.5.37
  • huawei ws7200-10_firmware 10.0.5.37

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a HiRouter-CD30-10;HiRouter-CT31-10;WS5200-12;WS5281-10;WS5800-10;WS7100-10;WS7200-10

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.