How severe is CVE-2023-34354?

CVE-2023-34354 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-34354 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34354?

CVE-2023-34354 affects Peplink Surf Soho Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34354?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-34354 published?

CVE-2023-34354 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-34354

CVE-2023-34354 is a low-severity vulnerability in Peplink Surf Soho Firmware with a CVSS 3.x base score of 3.4. 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-79.

Key facts

Severity: Low (CVSS 3.x base score 3.4)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Peplink Surf Soho Firmware
Published: 2023-10-11
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability exists in the upload_brand.cgi functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to execution of arbitrary javascript in another user's browser. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2023-34354?: A stored cross-site scripting (XSS) vulnerability exists in the upload_brand.cgi functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to execution of arbitrary javascript in another user's browser. An attacker can make an authenticated HTTP request to trigger this vulnerability.
How severe is CVE-2023-34354?: CVE-2023-34354 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-34354 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34354?: CVE-2023-34354 affects Peplink Surf Soho Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34354?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-34354 published?: CVE-2023-34354 was published on 2023-10-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:peplink:surf_soho_firmware:6.3.5:*:*:*:*:*:*:*

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CVE-2023-27380 — High (CVSS 7.2): An OS command injection vulnerability exists in the admin.cgi USSD_send functionality of peplink Surf SOHO HW1 v6.3.5…

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