How severe is CVE-2022-26437?

CVE-2022-26437 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26437?

CVE-2022-26437 affects Mediatek Nbiot Sdk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26437?

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

When was CVE-2022-26437 published?

CVE-2022-26437 was published on 2022-08-01 and last updated on 2026-06-17.

CVE-2022-26437

CVE-2022-26437 is a critical-severity vulnerability in Mediatek Nbiot Sdk with a CVSS 3.x base score of 9.8. 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-908.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-908
Affected product: Mediatek Nbiot Sdk
Published: 2022-08-01
Last modified: 2026-06-17

Description

In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WSAP00103831; Issue ID: WSAP00103831.

Frequently asked questions

What is CVE-2022-26437?: In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WSAP00103831; Issue ID: WSAP00103831.
How severe is CVE-2022-26437?: CVE-2022-26437 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-26437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26437?: CVE-2022-26437 affects Mediatek Nbiot Sdk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-26437 published?: CVE-2022-26437 was published on 2022-08-01 and last updated on 2026-06-17.

References

https://corp.mediatek.com/product-security-bulletin/August-2022

Affected products (1)

cpe:2.3:a:mediatek:nbiot_sdk:2.8.1:*:*:*:*:*:*:*

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