How severe is CVE-2023-37170?

CVE-2023-37170 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-2023-37170 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37170?

CVE-2023-37170 affects Totolink A3300r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37170?

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-2023-37170 published?

CVE-2023-37170 was published on 2023-07-07 and last updated on 2026-06-17.

CVE-2023-37170

CVE-2023-37170 is a critical-severity vulnerability in Totolink A3300r Firmware 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Totolink A3300r Firmware
Published: 2023-07-07
Last modified: 2026-06-17

Description

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote code execution (RCE) vulnerability via the lang parameter in the setLanguageCfg function.

Frequently asked questions

What is CVE-2023-37170?: TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote code execution (RCE) vulnerability via the lang parameter in the setLanguageCfg function.
How severe is CVE-2023-37170?: CVE-2023-37170 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-2023-37170 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37170?: CVE-2023-37170 affects Totolink A3300r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37170?: 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-2023-37170 published?: CVE-2023-37170 was published on 2023-07-07 and last updated on 2026-06-17.

References

https://github.com/kafroc/Vuls/tree/main/TOTOLINK/A3300R/cmdi_1

Affected products (1)

cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*

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CVE-2026-31181 — Critical (CVSS 9.8): An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary…
CVE-2026-31178 — Critical (CVSS 9.8): An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary…
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