How severe is CVE-2022-33087?

CVE-2022-33087 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-33087 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33087?

CVE-2022-33087 primarily affects Tp-link Archer A5 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-33087?

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-2022-33087 published?

CVE-2022-33087 was published on 2022-06-30 and last updated on 2026-06-17.

CVE-2022-33087

CVE-2022-33087 is a high-severity vulnerability in Tp-link Archer A5 Firmware with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tp-link Archer A5 Firmware
Published: 2022-06-30
Last modified: 2026-06-17

Description

A stack overflow in the function DM_ In fillobjbystr() of TP-Link Archer C50&A5(US)_V5_200407 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Frequently asked questions

What is CVE-2022-33087?: A stack overflow in the function DM_ In fillobjbystr() of TP-Link Archer C50&A5(US)_V5_200407 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
How severe is CVE-2022-33087?: CVE-2022-33087 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-33087 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33087?: CVE-2022-33087 primarily affects Tp-link Archer A5 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-33087?: 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-2022-33087 published?: CVE-2022-33087 was published on 2022-06-30 and last updated on 2026-06-17.

References

https://github.com/cilan2/iot/blob/main/4.md

Affected products (2)

cpe:2.3:o:tp-link:archer_a5_firmware:c50\&a5\(us\)_v5_200407:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_c50_firmware:c50\&a5\(us\)_v5_200407:*:*:*:*:*:*:*

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