How severe is CVE-2023-29802?

CVE-2023-29802 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-2023-29802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29802?

CVE-2023-29802 primarily affects Totolink X18 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-2023-29802?

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-2023-29802 published?

CVE-2023-29802 was published on 2023-04-14 and last updated on 2026-06-17.

CVE-2023-29802

CVE-2023-29802 is a critical-severity vulnerability in Totolink X18 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Totolink X18 Firmware
Published: 2023-04-14
Last modified: 2026-06-17

Description

TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain a command injection vulnerability via the ip parameter in the setDiagnosisCfg function.

Frequently asked questions

What is CVE-2023-29802?: TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain a command injection vulnerability via the ip parameter in the setDiagnosisCfg function.
How severe is CVE-2023-29802?: CVE-2023-29802 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-2023-29802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29802?: CVE-2023-29802 primarily affects Totolink X18 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-2023-29802?: 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-2023-29802 published?: CVE-2023-29802 was published on 2023-04-14 and last updated on 2026-06-17.

References

https://sore-pail-31b.notion.site/Command-Injection-3-8eb94b608bcd48f8aa4e983d2d1c4526

Affected products (2)

cpe:2.3:o:totolink:x18_firmware:9.1.0cu.2021_b20220326:*:*:*:*:*:*:*
cpe:2.3:o:totolink:x18_firmware:9.1.0cu.2024_b20220329:*:*:*:*:*:*:*

More vulnerabilities in Totolink X18 Firmware

CVE-2025-61045 — Critical (CVSS 9.8): TOTOLINK X18 V9.1.0cu.2053_B20230309 was discovered to contain a command injection vulnerability via the mac parameter…
CVE-2025-61044 — Critical (CVSS 9.8): TOTOLINK X18 V9.1.0cu.2053_B20230309 was discovered to contain a command injection vulnerability via the agentName…
CVE-2025-29209 — Critical (CVSS 9.8): TOTOLINK X18 v9.1.0cu.2024_B20220329 has an unauthorized arbitrary command execution in the enable parameter' of the…
CVE-2025-29064 — Critical (CVSS 9.8): An issue in TOTOLINK x18 v.9.1.0cu.2024_B20220329 allows a remote attacker to execute arbitrary code via the sub_410E54…
CVE-2023-29803 — Critical (CVSS 9.8): TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain a command injection vulnerability via the pid parameter…
CVE-2023-29801 — Critical (CVSS 9.8): TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain multiple command injection vulnerabilities via the…

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