How severe is CVE-2022-36471?

CVE-2022-36471 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-36471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36471?

CVE-2022-36471 affects H3c B5 Mini Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36471?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-36471 published?

CVE-2022-36471 was published on 2022-08-25 and last updated on 2026-06-17.

CVE-2022-36471

CVE-2022-36471 is a high-severity vulnerability in H3c B5 Mini Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: H3c B5 Mini Firmware
Published: 2022-08-25
Last modified: 2026-06-17

Description

H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function SetMacAccessMode.

Frequently asked questions

What is CVE-2022-36471?: H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function SetMacAccessMode.
How severe is CVE-2022-36471?: CVE-2022-36471 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-36471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36471?: CVE-2022-36471 affects H3c B5 Mini Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36471?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-36471 published?: CVE-2022-36471 was published on 2022-08-25 and last updated on 2026-06-17.

References

https://github.com/Darry-lang1/vuln/tree/main/H3C/H3C%20B5Mini/2/readme.md

Affected products (1)

cpe:2.3:o:h3c:b5_mini_firmware:b5miniv100r005:*:*:*:*:*:*:*

More vulnerabilities in H3c B5 Mini Firmware

CVE-2022-36478 — High (CVSS 7.8): H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function Edit_BasicSSID.
CVE-2022-36477 — High (CVSS 7.8): H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function AddWlanMacList.
CVE-2022-36475 — High (CVSS 7.8): H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function AddMacList.
CVE-2022-36474 — High (CVSS 7.8): H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function WlanWpsSet.
CVE-2022-36473 — High (CVSS 7.8): H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function Edit_BasicSSID_5G.
CVE-2022-36472 — High (CVSS 7.8): H3C B5 Mini B5MiniV100R005 was discovered to contain a stack overflow via the function SetMobileAPInfoById.

All CVEs affecting H3c B5 Mini Firmware →

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