How severe is CVE-2023-24155?

CVE-2023-24155 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-2023-24155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24155?

CVE-2023-24155 affects Totolink T8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24155?

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-2023-24155 published?

CVE-2023-24155 was published on 2023-02-03 and last updated on 2026-06-17.

CVE-2023-24155

CVE-2023-24155 is a critical-severity vulnerability in Totolink T8 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Totolink T8 Firmware
Published: 2023-02-03
Last modified: 2026-06-17

Description

TOTOLINK T8 V4.1.5cu was discovered to contain a hard code password for the telnet service which is stored in the component /web_cste/cgi-bin/product.ini.

Frequently asked questions

What is CVE-2023-24155?: TOTOLINK T8 V4.1.5cu was discovered to contain a hard code password for the telnet service which is stored in the component /web_cste/cgi-bin/product.ini.
How severe is CVE-2023-24155?: CVE-2023-24155 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-2023-24155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24155?: CVE-2023-24155 affects Totolink T8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24155?: 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-2023-24155 published?: CVE-2023-24155 was published on 2023-02-03 and last updated on 2026-06-17.

References

https://github.com/Double-q1015/CVE-vulns/blob/main/totolink_t8/telnet_login/telnet_login.md

Affected products (1)

cpe:2.3:o:totolink:t8_firmware:v4.1.5cu:*:*:*:*:*:*:*

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CVE-2023-24157 — Critical (CVSS 9.8): A command injection vulnerability in the serverIp parameter in the function updateWifiInfo of TOTOLINK T8 V4.1.5cu…
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CVE-2023-24154 — Critical (CVSS 9.8): TOTOLINK T8 V4.1.5cu was discovered to contain a command injection vulnerability via the slaveIpList parameter in the…
CVE-2023-24153 — Critical (CVSS 9.8): A command injection vulnerability in the version parameter in the function recvSlaveCloudCheckStatus of TOTOLINK T8…

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