How severe is CVE-2020-29655?

CVE-2020-29655 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 high, and availability none.

Is CVE-2020-29655 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-2020-29655?

CVE-2020-29655 affects Asus Rt-ac88u Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29655?

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-2020-29655 published?

CVE-2020-29655 was published on 2020-12-09 and last updated on 2026-06-17.

CVE-2020-29655

CVE-2020-29655 is a high-severity vulnerability in Asus Rt-ac88u 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Asus Rt-ac88u Firmware
Published: 2020-12-09
Last modified: 2026-06-17

Description

An injection vulnerability exists in RT-AC88U Download Master before 3.1.0.108. Accessing Main_Login.asp?flag=1&productname=FOOBAR&url=/downloadmaster/task.asp will redirect to the login site, which will show the value of the parameter productname within the title. An attacker might be able to influence the appearance of the login page, aka text injection.

Frequently asked questions

What is CVE-2020-29655?: An injection vulnerability exists in RT-AC88U Download Master before 3.1.0.108. Accessing Main_Login.asp?flag=1&productname=FOOBAR&url=/downloadmaster/task.asp will redirect to the login site, which will show the value of the parameter productname within the title. An attacker might be able to influence the appearance of the login page, aka text injection.
How severe is CVE-2020-29655?: CVE-2020-29655 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 high, and availability none.
Is CVE-2020-29655 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-2020-29655?: CVE-2020-29655 affects Asus Rt-ac88u Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29655?: 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-2020-29655 published?: CVE-2020-29655 was published on 2020-12-09 and last updated on 2026-06-17.

References

https://vuldb.com/?id.165678

Affected products (1)

cpe:2.3:o:asus:rt-ac88u_firmware:*:*:*:*:*:*:*:*

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