How severe is CVE-2022-29377?

CVE-2022-29377 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-2022-29377 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29377?

CVE-2022-29377 affects Totolink A3600r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29377?

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-2022-29377 published?

CVE-2022-29377 was published on 2022-05-24 and last updated on 2026-06-17.

CVE-2022-29377

CVE-2022-29377 is a high-severity vulnerability in Totolink A3600r 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: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Totolink A3600r Firmware
Published: 2022-05-24
Last modified: 2026-06-17

Description

Totolink A3600R V4.1.2cu.5182_B20201102 was discovered to contain a stacker overflow in the fread function at infostat.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via the parameter CONTENT_LENGTH.

Frequently asked questions

What is CVE-2022-29377?: Totolink A3600R V4.1.2cu.5182_B20201102 was discovered to contain a stacker overflow in the fread function at infostat.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via the parameter CONTENT_LENGTH.
How severe is CVE-2022-29377?: CVE-2022-29377 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-2022-29377 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29377?: CVE-2022-29377 affects Totolink A3600r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29377?: 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-2022-29377 published?: CVE-2022-29377 was published on 2022-05-24 and last updated on 2026-06-17.

References

https://github.com/molezsbd/iot-cve/tree/master/totolink/a3600r

Affected products (1)

cpe:2.3:o:totolink:a3600r_firmware:4.1.2cu.5182_b20201102:*:*:*:*:*:*:*

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