TPODER Net::IP::LPM 1.10 on Perl IP CIDR Address String improper validation of specified type of input

Summaryinfo

A vulnerability described as problematic has been identified in TPODER Net::IP::LPM 1.10 on Perl. Affected by this vulnerability is an unknown functionality of the component IP CIDR Address String Handler. Executing a manipulation can lead to improper validation of specified type of input. This vulnerability is handled as CVE-2025-40910. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in TPODER Net::IP::LPM 1.10 on Perl. It has been declared as problematic. This vulnerability affects an unknown code block of the component IP CIDR Address String Handler. The manipulation with an unknown input leads to a improper validation of specified type of input vulnerability. The CWE definition for the vulnerability is CWE-1287. The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type. As an impact it is known to affect integrity. CVE summarizes:

Net::IP::LPM version 1.10 for Perl does not properly consider leading zero characters in IP CIDR address strings, which could allow attackers to bypass access control that is based on IP addresses. Leading zeros are used to indicate octal numbers, which can confuse users who are intentionally using octal notation, as well as users who believe they are using decimal notation.

The advisory is shared for download at metacpan.org. This vulnerability was named CVE-2025-40910 since 04/16/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/27/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19330). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• TPODER

Name

• Net::IP::LPM

Version

• 1.10

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion